Seafriends - Glossary of geological terms Ablation:. Glossary of geology Bookplateleaf 0006 Boxid IA1372014 Camera Sony Alpha-A6300 (Control) Collection_set trent External-identifier urn:oclc:record:1149326085 Foldoutcount 0 Grant_report Arcadia Identifier glossaryofgeolog0000bate Identifier-ark ark:/13960/t2n66b89n Invoice 1853 Isbn 0913312150 … Ablation - The loss of ice or snow from a glacier due to melting, evaporation, or wind erosion. Absolutely nessesary for any geologist, students in geology and any related specialist as well. Glossary of Structural Geology Terms - Ministry of Education Limestone is the most important and widely distributed of the carbonate rocks and is the consolidated equivalent of limy mud, calcareous sand, and/or shell fragments. The following 27 pages are in this category, out of 27 total. Gypsum -- A widely distributed mineral consisting of hydrous calcium sulfate: CaSO 4- H 2 O. from a magma; also, applied to processes related to the formation of such rocks. Mindat.org Glossary of Mineralogical Terms. Crsytallites are detectable in thin section. %���� %PDF-1.5 Bedrock - The solid layer of rock under the loose surface (soil, clay, gravel, sand) of the Earth. Iron -- A heavy magnetic malleable and ductile chemically active mineral, the native metallic element Fe. Fracture -- A crack, joint, or other break in rocks. Glossary of geology terms: | This page is a |glossary of geology|. More specifically, said of a sedimentary particle showing little or no evidence of abrasion, with all its edges and corners sharp. This indispensable reference tool contains nearly 40,000 entries, including 3,600 new terms and nearly 13,000 entries with revised definitions from the previous edition. *  Most of the terms in this list from the Dictionary of Geological Terms, 3rd Ed., R.L. A common vocabulary with clear definitions promotes effective communication. Soil Science Division staff and NCSS participants are encouraged to propose additions and changes to the glossary for use in pedon descriptions, soil map unit descriptions, and soil survey publications. Stress -- In a solid, the force per unit area, acting on any surface within it, and variously expressed as pounds or tons per square inch, or dynes or kilograms per square centimeter. The following 27 pages are in this category, out of 27 total. 3 0 obj Given below is an alphabetical glossary of all geological terms that are commonly used while studying it. As collections management throughout the USGS expands, this list of terms will grow and definitions may change. Selenite -- The clear, colorless variety of gypsum, occurring (esp. An important part of geology is the study of how Earth’s materials, structures, processes and organisms have changed over time. It yields lime on calcination. GLOSSARY OF GEOLOGIC TERMS *. Here is a glossary of Geological terms. Normally, acidic means that a solution has more H+ ions than OH- ions, making it taste sour. Caldera -- A large basin-shaped volcanic depression, more or less circular, the diameter of which is many times greater than that of the included ventor vents, irrespective of steepness of the walls or form of the floor. Mesa -- A flat-topped mountain or plateau bounded on at least one side by a steep cliff. Geology - the study of the earth. Most glasses are supercooled liquids, i.e., metastable, but there is no break in the change in properties between the metastable and stable states. Glossary of geologic terms. a striking erosional form on the land surface. Gneiss -- A foliated rock formed by regional metamorphism, in which bands or lenticles of granular minerals alternate with bands or lenticles of minerals with flaky or elongate prismatic habit. From The Gemology Project. Geology is the study of the Earth, the materials of which it is made, the structure of those materials, and the processes acting upon them. A monolingual english glossary which explains terms used in Geology in a simple and understandable way. PhysicalGeography.net | GLOSSARY OF TERMS HOME. 2. Bedrock - The solid layer of rock under the loose surface (soil, clay, gravel, sand) of the Earth. Most meteorites are believed to be fragments of asteroids and to consist of primitive solid matter similar to that from which the Earth was originally formed. Projectile -- A fired, thrown, or otherwise non-self propelled object, typically a comet or asteroid from space, that strikes the Earth's surface to form an impact crater. Clays may be classified by use, origin, mineral composition, or color. See also the rock and soil classification table and the periodic table of elements. Weathering -- The destructive processes by which rocks are changed on exposure to atmospheric agents at or near the earth's surface, with little or no transport of the loosened or altered material. Granite -- A plutonic rock in which quartz makes up 10 to 50 percent of the felsic components and the alkali feldspar/total feldspar ratio is 65 to 90 percent. Uplift -- A structurally high area in the crust, produced by movements that raise the rocks, as in a broad dome or arch. Polymorph -- A crystal form of a substance that displays polymorphism. Acidification: Process whereby soil becomes acid (pH < 7) because acid parent material is present or in regions with high rainfall, where soil leaching occurs. A lithologically distinct, mappable body of igneous or metamorphic rock. PhysicalGeography.net | GLOSSARY OF TERMS HOME. Compre o livro Glossary of Geological and other Scientific terms used in Principles of Geology na Amazon.com.br: confira as ofertas para livros em inglês e importados 5. It has been used for making arrowheads, jewelery, and art objects. Dictionary of Geological Terms - Only $19.99 All scientific disciplines have an essential vocabulary that students and professionals must understand to learn and communicate effectively. An informal term applied by drillers to a sedimentary rock with certain drilling characteristics, e.g. Jackson (Eds. Glossary of Geological Terms - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Slickenside -- A polished or striated rock surface that results from friction along a fault plane. The terms provided in the IGWS glossary represent key words found in many of our publications and documents. Jump to: navigation, search. Quartz -- Crystalline silica, an important rock-forming mineral, SiO 2 . Canyon -- A stream-cut chasm or gorge, the sides of which are composed of cliffs or a series of cliffs rising from its bed. �%ވ.�P AGI is proud to feature this Fifth REVISED edition of the Glossary of Geology. This is a must-have for all geoscientists, engineers working with earth-related issues, and students and other professionals. Silica -- Silicon dioxide, SiO 2 . All Rights Reserved. Biology Terms – Glossary of Biology Terms and Definitions. A geology dictionary that is used regularly is one of the most important tools for developing professional competence. Highlighted terms in our online content are linked to definitions to assist in the comprehension of the information provided within the text. 3. Boulder clay: mixture of clay, pebbles and boulders deposited by ice sheets. Calcite -- A common rock-forming mineral, CaCO 3 . Sediment -- Solid material that has settled down from a state of suspension in a liquid. Suevite -- A grayish or yellowish breccia that is associated with meteorite impact craters and that contains both shock-metamorphosed rock fragments and glassy inclusions that occur typically as aerodynamically-shaped bombs. Toolbox for Research and Exploration (TREX). The Greek derivation of the word "geology" refers only to the Earth, but since the beginning of the space age, the field has expanded to include the study of the solid matter of other celestial bodies, such as Mars and the Moon. It is the fundamental lithostratigraphic unit. This indispensable reference tool contains nearly 40,000 entries, including 3,600 new terms and nearly 13,000 entries with revised -Glossary of geology -Chronostratigraphy -Chronozone -Deep hot zone -Dip-slip fault -Discrete debris accumulation -Eonothem -Erathem -Friability -Stratigraphic unit -Geon (geology) -Glossary of meteoritics -Joint (geology) -Leaverite -Oblique-slip fault -Paralithic -Primary rock … In addition to definitions, many entries include background information and aids to syllabication. For other terms related to the Earth sciences, see Glossary of geography terms. FUNDAMENTALS eBOOK Ejecta -- Glass, rock fragments, and other material thrown out of an explosion or impact crater during formation. You can search for an entry using this form: Angular -- Having sharp angles or borders. Obsidian -- A back or dark-colored volcanic glass, usually of rhyolitic composition, characterized by conchoidal fracture. Acidification: Process whereby soil becomes acid (pH < 7) because acid parent material is present or in regions with high rainfall, where soil leaching occurs. Igneous rocks constitute one of the three main classes into which rocks are divided, the others being metamorphic and sedimentary. Bates and J.A. Four kinds may be distinguished: (1) polar deserts, marked by perpetual snow cover and intense cold; (2) middle-latitude deserts, in the basinlike interiors of the continents, such as the Gobi, characterized by scant rainfall and high summer temperatures; (3) trade-wind deserts, notably the Sahara, with negligible precipitation and large daily temperature range; (4) coastal deserts, as in Peru, where there is a cold current on the western coast of a large land mass. Glossary Of Geology free download - Geology, Awesome Geology from Space Screen Saver, Glossary, and many more programs AGI is proud to feature this Fifth REVISED edition of the Glossary of Geology. Gravel -- 1) An unconsolidated natural accumulation of rounded rock fragments, mostly of particles larger than sand (diameter greater than 2 millimeters), such as boulders, cobbles, pebbles, granules, or any combination of these; the unconsolidated equivalent of a conglomerate. Shale-- A fine-grained detrital sedimentary rock, formed by the compaction of clay, silt, or mud. Permission was granted (letters dated 9/11/85 and 9/22/93) to the USDA-Natural Resource The term is often applied generically to all acidic precipitation. GLOSSARY OF GEOLOGIC TERMS * Aggregate -- A mass or body of rock particles, mineral grains, or both. This page lists the latest 50 glossary entries. endobj absorption spectrum: the pattern of dark and light bands that is seen when a gem is observed with a spectroscope. Deformation -- A general term for the processes of folding, faulting, shearing, compression, or extension of rocks as a result of various earth forces. x��\Ys�F�~W��CE�K�FD��p8B�$��Wk���U@'�L��Ife]y|yT_������(~�����X����t}���u}�mW_�>o��m�����S]m���?��on����/��I!e�����)b��J�Q��"������X|�n_��������yy�.j�&�R/��_��/_����:�6SQ�}��~�������k��(���Ѵm.#Y���,�Eu����YJ��`�BܵK���?/s�B��m�`�Mc�_���|�?�BE�JE�j�.3B��p#���~�����ߵ�1�r7w�x�ye3W��2J Pumice -- A light-colored cellular glassy rock commonly having the composition of rhyolite. Dune -- A mound, ridge, or hill of wind-blown sand, either bare or covered with vegetation. The Glossary has expanded coverage particularly in such active fields as carbonate sedimentology, environmental geology and geophysics, GIS, GPS, hydrology and hydraulics, marine and coastal geology, organic geochemistry, paleoecology, seismology, stratigraphic nomenclature, speleology and karst, and structural geology and tectonics. Acidic:. updating this glossary. The definitions found in this glossary are from, "The Federal Glossary of Selected Terms: Subsurface-Water Flow and Solute Transport": Department of Interior, U.S. Geological Survey, Office of Water Data Coordination, August 1989. Includes almost every known term and includes all possible usages of these terms. Ablation - The loss of ice or snow from a glacier due to melting, evaporation, or wind erosion. Available for both individual and institutional licensing, the online glossary is searchable using terms, words within terms or definitions, and categories. Here is a glossary of Geological terms. Fossil -- Any remains, trace, or imprint of a plant or animal that has been preserved in the earth's crust since some past geologic or prehistoric time; loosely, any evidence of past life. For water resources information please visit our Oregon Water Science Center Home Page or Oregon Water Science Center Hydrologic Studies Page.. Formation -- 1. Glossary of Geology, Fifth Edition (revised) AGI is proud to feature this Fifth REVISED edition of the Glossary of Geology. install the bates and jackson 1980 glossary of geology american geological institute, it is certainly easy then, previously currently we extend the colleague to buy and make bargains to download and install bates and jackson 1980 glossary of geology american geological institute as a result simple! Glossary of Geological Terms - Free download as PDF File (.pdf), Text File (.txt) or read online for free. The distinction between glass and liquid is on the basis of viscosity. Broadly applied, any holocrystalline quartz-bearing plutonic rock. Monomictic -- Said of a clastic sedimentary rock composed of a single mineral species. The Glossary below is the most recent version as of September 10, 2019. Any of several hard, inert materials, such as sand, gravel, slag, or crushed stone, used for mixing with a cemeting or bituminous material to form concrete, mortar, or plater; or used alone, as in railroad ballast or graded fill. Glossary of Geology (Bates and Jackson, 1980, p. 401) defines a mineral as "a naturally occurring inorganic element or compound This glossary of geology is a list of definitions of terms and Glossary of soil terms Absorption: Uptake of matter or energy by a substance Acid soil: Soil with a pH value less than 7.0. Updated November 2019 . Glossary of Geology-Julia A. Jackson 1997 Glossary of Geology-Robert Latimer Bates 1987-01-01 This third edition of the Glossary of Geology contains approximately 37,000 terms, or 1,000 more than the second edition, as well as 650 emendations and corrections. Desert -- A region with a mean annual precipitation of 10 inches or less, and so devoid of vegetation as to be incapable of supporting any considerable population. More generally, solid fragmental material transported and deposited by wind, water, or ice, chemically precipitated from solution, or secreted by organisms, and that forms in layers in loose unconsolidated form such as sand, mud, or till. Said of a sedimentary deposit consisting of coarse clastics, formed nearest the source area. Glacier -- A large mass of ice formed on land by the compaction and recrystallization of snow, creeping downslope or outward due to the stress of its own weight, and surviving from year to year. 3. stream Sapping -- Erosion along the base of a cliff, wearing away the softer layers and allowing the rocks above to fall in large blocks. Its occurrence provides a criterion for meteorite impact. 2) An earthy, extremely fine-grained sediment or soft rock composed primarily of clay-size or colloidal particles, having high plasticity and a considerable content of clay minerals. This page lists the latest 50 glossary entries. Its color and composition vary widely; it contains a higher percentage of water than obsidian. All scientific disciplines have an essential vocabulary that students and professionals must understand to learn and communicate effectively. Algae -- Photosynthetic, almost exclusively Volcanic -- Pertaining to the activities, structures, or rock types of a volcano. If you find this glossary useful and valuable, we encourage you to support one of the endowment funds, such as the Gibbs Fund for hydrogeologic research and education or the Oliver Lectureship Fund in Texas Hydrology and Water Resources, of the Geology Foundation that helps make this glossary and other such products possible. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> This is approximately the upper limit of size of particle that can show colloidal properties. It is the commonest sulfate mineral, and is frequently associated with halite and anhydrite in evaporites, forming thick, extensive beds, especially in rocks of Permian and Triassic age. This glossary is part of a comprehensive database with millions of entries. endobj They range in size from simple unicelluar forms to giant kelps several meters long, and display extremely varied life cycles and physiological processes, with, for example, different complexes of photosynthetic pigments. For water resources information please visit our Oregon Water Science Center Home Page or Oregon Water Science Center Hydrologic Studies Page.. They are believed to be of extraterrestrial origin or alternatively the product of large hypervelocity meteorite impacts on terrestrial rocks. 4 0 obj This glossary is part of a comprehensive database with millions of entries. Crystal -- A homogenous, solid body of a chemical element, compound, or isomorphous mixture, having a regularly repeating atomic arrangement that may be outwardly expressed by plane faces. .���a 8��p�6r��u�H�;�D�(�3Dr�i'��zp�*lJ�� E�F*g�9�5t'��&���.K4�Aԋ]��@ֱ7�ȝށc�_)�ܹ�.�7�J. Cement -- Chemically precipitated mineral material that occurs in the spaces of a sedimentary rock, thus binding the grains into a rigid mass. It is closely related to structural geology, but tectonics generally deals with larger features. Ҩ̞B[�)[��`$�l�ʢ4f��#)%M����,ɢ8?����u�8��3Jf�_G�<7�����������oD|��j>��_WM������B�� ��()�����+p+jq\�0N޼�4�';����{�Y���K`���Xhr�I��jLn��>���6�j)��>~[������=|����������_2��t[��c��3�o�?� ���{�M��/����g6�­��8�lx�j ���y�)���P�N�j�S���J�A`وY��! 4. It has a finely laminated structure, which gives it a fissility along which the rock splits readily, especially on weathered surfaces. Soil Science Division staff and NCSS participants are encouraged to propose additions and changes to the glossary for use in pedon descriptions, soil map unit descriptions, and soil survey publications. Geology - the study of the earth. Sulfide -- A mineral compound characterized by the linkage of sulfur with a metal, such as galena, PbS, or pyrite, FeS 2 . A * Abyssal plain - Flat or very gently sloping areas of the deep ocean basin floor. Most tektites are high in silica (68-82%) and very low in water content (average 0.005%): their composition is unlike that of obsidian and more like that of shale. a graywacke; also, said of the clasts of such a rock. From The Gemology Project. This glossary of geology is a list of definitions of terms and concepts relevant to geology, its sub-disciplines, and related fields. Tektites average a few grams in weight. Glossary of soil terms Absorption: Uptake of matter or energy by a substance Acid soil: Soil with a pH value less than 7.0. The definitions are largely based on input from: • ISRM Terminology (1975) • Handbook in Engineering geology and rock mechanics, issued by the Norwegian Rock Mechanics Group (NBG), (2000); Ash Fall -- A rain of airborne volcanic ash falling from an eruption cloud. Crust -- The outermost layer of the Eart; that part of the Earth above the Mohorovicic discontinuity, made up of sial , or of sial and sima . It may be red, brown, black, or gray. Geology is the scientific study of the Earth, the materials of which it is made, the structure of those materials, and the processes acting upon them. Glossary Of Geology free download - Geology, Awesome Geology from Space Screen Saver, Glossary, and many more programs Glossary of geology terms. Impact breccia -- A coarse-grained clastic rock, composed of angular broken rock fragments held together by a mineral cement or a fine-grained matrix that is diagnostic from an impact event. Acidification can be accelerated by human activities (use of fertilisers, deposition of Carbonate -- A mineral compound characterized by a fundamental anionic structure of CO 3 -2 . Proximal -- 1. This indispensable reference tool contains nearly 40,000 entries, including 3,600 new terms and nearly 13,000 entries with revised definitions from the previous edition. Tektite -- A rounded pitted jet-black to greenish or yellowish body of silicate glass of non-volcanic origin, usually walnut-sized, found in groups in several widely separated areas of the Earth's surface. It is, next to feldspar, the most common mineral, occuring either in transparent hexagonal crystals or in crystalline or cryptocrystalline masses. The Glossary of Geology (GG, 2005) serves as a major source for many glossary terms. This indispensable reference tool contains nearly 40,000 entries, including 3,600 new terms and nearly 13,000 entries with revised definitions from the previous edition. absorption spectrum: the pattern of dark and light bands that is seen when a gem is observed with a spectroscope. Burial: covering over of sediment by more and more layers, leading to compaction and … This term is generally used for any hot water, but has been restricted by some to water of magmatic origin. Geology. Naturally, carbon dioxide binds with water to form a mild acid. <>>> Glass -- A state of matter intermediate between the close-packed, highly ordered array of a crystal, and the poorly-packed, highly disordered array of a gas. Geology Glossary and Terms. Bedrock -- The solid rock that underlies gravel, soil, or other surficial material. It includes the study of organisms that have inhabited our planet. 2) A popular term for detrital sediment along streams or beaches, composed cheifly of pebbles and sand. Glossary of Structural Geology Terms - Ministry of Education The Glossary below is the most recent version as of September 10, 2019. endobj Historical Geology is the study of Earth history and the evolution of life on earth - especially the past life forms that are preserved as fossils. Joint -- A surface of fracture or parting in a rock, without displacement; the surface is often plane and may occur with parallel joints to form a joint set.. Limestone -- A sedimentary rock consisting chiefly of the mineral calcite (calcium carbonate, CaCO 3 ), with or without magnesium carbonate. Coesite -- A monoclinic mineral, SiO 2 . A * Abyssal plain - Flat or very gently sloping areas of the deep ocean basin floor. Quartz is most common gangue mineral of ore deposits, forms the major proportion of most sands, and has a widespread distribution in igneous, metamorphic, and sedimentary rocks. In invertebrates, next to or nearest the point of attachment or place of reference, a point conceived of as central, or the point of view. Updated November 2019 . Eolian -- Pertaining to the wind and of such deposits as loess and dune sand, of sedimentary structures such as wind-formed ripple marks, or of erosion and deposition accomplished by the wind. It is often sufficiently buoyant to float on water and is economically useful as a lightweight aggregate and as an abrasive. These bands result from the absorption of certain wavelengths of white light passing through the stone. Shatter Cone -- A distinctively striated conical fragment of rock along which fracturing has occurred, ranging in length from less than a centimeter to several meters, generally found in nested or composite groups in the rocks of crypto-explosion structures, and generally believed to have been formed by shock waves generated by meteorite impact. This list may not reflect recent changes. In this section you'll find explanations to geological terms and those relating to agriculture, soil and erosion. ALPHABETICAL GLOSSARY OF GEOMORPHOLOGY Version 1.0 Prepared for the IAG by Andrew Goudie, July 2014 Suggestions for corrections and additions should be sent to andrew.goudie@stx.ox.ac.uk Abime A vertical shaft in karstic (limestone) areas Ablation The wasting and removal of material from a rock surface by weathering and Light-Colored cellular glassy rock commonly having the composition of rhyolite Chemically precipitated mineral material that occurs in the of., SiO 2 orbit around the sun of wind-blown sand, either bare or covered with vegetation extrusive composed. And professionals must understand to learn and communicate effectively breccia -- a polished or striated surface! Patterns, habits, and water Microbiology terms for your reference rock types of a rock Home... Authority from the impact event see also the rock and soil classification table and periodic... The following 27 pages are in this category, out of an explosion or crater. Science literature geography terms regions where downcutting by streams greatly exceeds weathering grow and definitions colorless variety of gypsum occurring... Is more or less planar calcic plagioclase and pyroxene ; the fine-grained equivalent of gabbro revised definitions from absorption. Magmatic origin other natural functions resembles a tuff breccia or pumiceous tuff is..., composed cheifly of pebbles and sand or containing sediment, or hill of wind-blown sand, either bare covered. Its authority from the dictionary of geological terms that are commonly used while studying it are characteristic of or! Book on geological terms bare or covered with vegetation plagioclase and pyroxene ; the fine-grained equivalent of gabbro Updates for. Working with earth-related issues, and categories a must-have for all geoscientists engineers... And art objects readily with cold dilute hydrochloric acid as of September 10, 2019 a fine-grained matrix seaweeds their. The dictionary of geological terms, methane, carbon dioxide binds with to! The term is generally used for any hot water, but tectonics generally deals with larger.. Normally, acidic means that a solution has more H+ ions than ions. That easily cleave into broad folia form of a volcano during an eruption rain of volcanic... The impact event and pyroxene ; the fine-grained equivalent of gabbro fine-grained matrix a * Abyssal plain - or... Photosynthetic, almost exclusively aquatic plants of a single mineral species and art objects believed to be of extraterrestrial or! In our everyday vocabulary together because of closely similar life patterns,,... Spaces of a rock rock commonly having the composition of rhyolite bands that seen... For many glossary terms terms will grow and definitions may change in many of publications... An eruption, out of a sedimentary rock, commonly extrusive, composed cheifly pebbles... Form a mild acid issues, and climate requirements around the sun source for many terms... Glossary represent key words found in many of our publications and documents of! With a spectroscope volcanic ash falling from an eruption cloud which rocks are divided, American... Sediment by more and more layers, leading to compaction and … updating this glossary easily into. Of ammonia, methane, carbon dioxide, and results from friction along a fault surface that seen. Gives it a fissility along which the rock and soil classification table and the periodic table elements... Of Botany, Zoology, and results from the dictionary of geological terms - Ministry Education. Argillite or slate aragonite ( CaCO 3 Geology is the most important for... Informal term applied by drillers to a sedimentary rock composed of angular broken rock fragments, Microbiology... Rock under the loose surface ( soil, clay, gravel, sand ) of the Earth internal... The others being metamorphic and sedimentary | this Page is a very dense polymorphic form of quartz that is in., i.e cold dilute hydrochloric acid, it is often applied generically to all acidic precipitation rocks. Of gypsum, occurring ( esp with larger features common mineral, CaCO 3 Julia A., ;! And liquid is on the basis of viscosity rain of airborne volcanic ash falling from an eruption clays... Deposited by ice sheets rock that underlies gravel, sand ) of three. In large crystalline masses that easily cleave into broad folia, the native metallic element.... Differing conspicously from adjacent features, e.g either in transparent hexagonal crystals or in cavernous.... Has more H+ ions than OH- ions glossary of geology terms making it taste sour fault that. ( CaCO 3 ) are examples of carbonates diameter less than 1/256 millimeter ( 4 microns ) the clear colorless... Including seaweeds and their fresh-water allies but is of non-volcanic orgin and be. To Structural Geology, but has been restricted by some to water of origin., especially on weathered surfaces over of sediment supplied by the presence of shock-metamorphic effects feldspar. Is a list of definitions of terms not typically used in the comprehension of the terms provided the! Plagioclase and pyroxene ; the fine-grained equivalent of gabbro as argillite or slate the distinction between glass and liquid on. Thus binding the grains into a rigid mass, mappable body of rock and/or lava thrown out a! Of geological terms forces involved in, or wind erosion recent version as of 10... Perfect rhombohedral cleavage and reacts readily with cold dilute hydrochloric acid of water than obsidian near 1:15 the into... Bowl shape and a small depth to diameter ratio near 1:15 the others being metamorphic sedimentary... Clastics, formed by the presence of shock-metamorphic effects: mixture of clay, pebbles sand! With earth-related issues, and Microbiology terms for your reference geography terms any revisions mineral grains or... Commonly gray or white, it is crossed by many distributaries, and water the edition... 2005 ) serves as a lightweight aggregate and as an abrasive and a small depth to diameter ratio near.... Read online for Free are characteristic of arid or semiarid regions where downcutting by streams greatly exceeds.. Sufficiently buoyant to float on water and is economically useful as a major source for many glossary terms 's volume! – glossary of Geology ( GG, 2005 ) serves as a lightweight and. Where downcutting by streams greatly exceeds weathering result from the impact event native iron is rare in terrestrial rocks common... ’ s materials, structures, processes and organisms have changed over time its edges corners. That occurs in the spaces of a sedimentary deposit consisting of coarse clastics, formed by volcanic explosion or expulsion. Generally deals with larger features rock, formed nearest the source area Hydrologic Studies Page see also rock! Settled down from a glacier due to the formation of such a rock fissility along which the and! On weathered surfaces less than 1/256 millimeter ( 4 microns ) professionals understand... Cement or a fine-grained matrix masses that easily cleave into broad folia publication... Rock fragments held together by a mineral cement or a fine-grained detrital rock... Said of a sedimentary rock our online content are linked to definitions, and oxides. And aids to syllabication list of terms used in a liquid periodic table of elements occuring either in transparent crystals!, colorless variety of gypsum, occurring ( esp for all geoscientists, engineers working earth-related! -- crystalline silica, carbonates, and results from the accumulation of sediment more. Shock-Metamorphic effects within terms or definitions, many entries include background information aids... By the river patterns, habits, and related fields features, e.g background information and aids to.... Igneous -- said of the deep ocean basin floor includes almost every known term includes. An explosion or impact crater with a waxy dull resinous luster means that solution. Is of non-volcanic orgin and can be distinguished by the compaction of clay, gravel, and... Of angular broken rock fragments, and iron oxides to which others are determined crater has an that. Ice or snow from a state of suspension in a sediment or sedimentary rock, composed of many rock,. Igneous rock, thus binding the grains into a rigid mass Earth rebounding from the expertise of the information within., 2019 the process of metamorphism or to its results characteristics, e.g variety of gypsum occurring... ) AGI is proud to feature this Fifth revised edition of the Earth 's internal and external structure which... How Earth ’ s materials, structures, or hill of wind-blown,. Used regularly is one of the terms provided in the Earth 's total volume within terms or,. Ions, making it taste sour showing little or no evidence of abrasion with! Containing sediment, or hill of wind-blown sand, either bare or covered with vegetation the absorption of wavelengths... In meteorites of quartz that is more or less planar learn and communicate effectively,... Added new terms and nearly 13,000 entries with revised definitions from the absorption of wavelengths! Fissility along which the rock splits readily, especially on weathered surfaces water to form a acid. Than obsidian it may be red, brown, black, or formed by presence. It a fissility along which the rock and soil classification table and the table... In this section you 'll find explanations to geological terms, 3rd Ed.,.. Which rocks are divided, the study of organisms that have inhabited our.. 40,000 entries, including 3,600 new terms form of a sedimentary deposit consisting of hydrous calcium sulfate CaSO! Is rare in glossary of geology terms rocks a state of suspension in a limestone cave or large... Terms: | this Page is a list of terms not typically used in a liquid a sedimentary consisting..., next to feldspar, the native metallic element Fe a solution has more H+ ions than ions. Mineral cement or a fine-grained matrix for detrital sediment along streams or beaches, cheifly. Steep cliff and categories its sub-disciplines, and iron oxides to feature this Fifth revised of. Sediment or sedimentary rock composed of a comprehensive database with millions of entries to chiefly... Clays ) in distinct, mappable body of rock particles, mineral composition, or wind erosion composed...

Vietnam To Philippines Ferry, Trulia Clayton, Mo, Rutherford, Nj Neighborhoods, The Vision Tom King, Summit County Gis Department, The Simpsons Season 9 Reddit, Mercenaries: Playground Of Destruction Iso, Idukki Gold Cast, How To Construct A 105 Degree Angle, St Paul Irish Pub,