For other terms related to the earth sciences, see glossary of geography terms. Also included are general words and phrases defined within the context of how they apply to research in the social and behavioral sciences. Geology is the study of the planet earth the materials it is made of, the processes that act on those materials, the products formed, and the. Review the terms for faults and folds in figures 7. Geology is the study of the planet earth the materials it is made of, the processes that act on those materials, the products formed, and the history of the planet and its life forms since its origin. Flat or very gently sloping areas of the deep ocean basin floor. The online glossary is searchable using terms, words within terms or definitions, categories and spanishlanguage equivalents. Their contributions make the glossary of geology an essential reference work for everyone who works in or with geoscience information. Geological survey, office of water data coordination, august 1989. Glossary geophysical, geological, petrological, and. For related terms, see glossary of geology and glossary of environmental.
It is determined by using fossils, superposition, and. Glossary of terms the mineral and gemstone kingdom. As collections management throughout the usgs expands, this list of terms will grow and definitions may change. Electroncapture decay the only type of radioactive decay that requires the presence of something an electron outside the atoms nucleus. This discipline defines terms pertaining to earthits history, structure, composition, life forms and processes that continue to shape and change it. Complete online glossary of rocks, minerals, and gemstones. Other conveniences include 4500 mineral definitions complete with chemical formulas and an extensive list of abbreviations of common geologic terms. Glossary of geology, fifth edition, revised kindle.
Glossary of geologic terms aggregate a mass or body of rock particles, mineral grains, or both. Use features like bookmarks, note taking and highlighting while reading glossary of geology, fifth edition, revised. The glossary of geology is available in many formats. Agi is proud to feature this fifth revised edition of the glossary of geology. Geological survey editorial standards or with the north american stratigraphic code. Glossary of wateruse terminology estimated use of water in the united states in 1990 az index of hydrologic terms usgs home core science ecosystems energy and minerals environmental health land resources hazards water. Some of the authors friends, who had read the first and second volumes or the principles of geology, having met with difficulties from their previous unacquaintance with the technical terms used in geology and natural history, suggested to him that a glossary of those words would render his work much more accessible to general readers. The oilfield glossary schlumberger oilfield glossary.
A classification and glossary of terms recommendations of the international union of geological sciences subcommission on the systematics of igneous rocks. This broad field of science covers many subspecialties. This glossary is intended to assist you in understanding commonly used terms and concepts when reading, interpreting, and evaluating scholarly research in the social sciences. Glossary of research terms organizing your social sciences. Glossary of geology, fifth edition revised agi is proud to feature this fifth revised edition of the glossary of geology. If the entire geological time period since the formation of our planet is compressed in a span of 24 hours, the evolution of humans or homo sapiens will only. It is a process by which planets have grown in sizes by adding smaller bodies to the larger ones. Glossary of geological and other scientific terms used in. Geological analysis relies mainly on chemistry, physics and mathematics.
A geology dictionary that is used regularly is one of the most important tools for developing professional competence. Geophysical, geological, petrological, and mineralogical terms used in planetary science, in particular concerning research in this book on the. This eleminates the broad interpretation and application many geological terms inherit through various workers over time. Usgs earthquake hazards program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards. The terms and in this glossary are important to practicing biologists and paleontologists in various fields. Algae photosynthetic, almost exclusively aquatic plants of a. The glossary does not include definitions of most biospeleological terms, geologic. This glossary provides the ncss soil survey program, soil scientists, and natural resource specialists with landform, geologic, and related terms and their. Glossary of geochronological and radiometric dating terms.
From aa tozweikanter, this popular dictionary has now been revised and updated. The glossary of geology gg, 2005 serves as a major source for many glossary terms. The schlumberger oilfield glossary is an evergreen, instant reference that takes up no space on your bookshelf and offers many special features. Glossary of geology terms and definitions science struck. For best results viewing and printing pdf documents, it is recommended that you download the documents to your. This glossary of geology is a list of definitions of terms and concepts relevant to geology, its subdisciplines, and related fields. The following is taken from several online sources, chiefly illustrated glossary of geologic terms by steven m. Where technical terms have been used or everyday terms used in a more technical sense, i have tried to explain their meanings. 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. Some common rocks, textures and structural terms are also defined. It can be measured in terms of percent for example, an 8% grade on a road or in terms of degrees. Glossary of geology, fifth edition, revised kindle edition by neuendorf, klaus, mehl, jim. Erosion occurs most commonly when rainwater runs downhill.
The glossary also includes simple definitions of the more common rocks and minerals found in karst terrain, common terms of hydrology, and a number of the descriptive terms used by speleologists. Glossary of terms we have tried to give you a brief definition of all the technical terms used in the website. Definitions within range from absolute pressure to lithification to wentworth scale. The glossary below is the most recent version as of september 10, 2019. Glossary of geological terms these terms relate to prospecting and exploration, to the regional geology of newfoundland and labrador, and to some of the geological environments and mineral occurrences preserved in the province. The process of determining a specific date in years or some other.
This indispensable reference tool contains nearly 40,000 entries, including 3,600 new terms and nearly,000 entries with revised. Glossary of geology, fifth edition, revised kindle edition. Part 629 glossary of landform and geologic terms 6295 430vinssh, 2008 c glossary terms and definitions. Glossary of landform and geologic terms directives usda. A hillshade appears more like the terrain you might view from an.
Browse the ucmp glossary alphabetically or by volume. Compare block lava flow, pahoehoe lava flow, pillow lava flow. Geology glossary and terms ablation the loss of ice or snow from a glacier due to melting, evaporation, or wind erosion. Bedrock the solid layer of rock under the loose surface soil, clay, gravel, sand of the earth.
The definitions found in this glossary are from, the federal glossary of selected terms. Please see the updates section for more information on any revisions. Dictionary of geological terms by american geological institute. A partial glossary of spanish geological terms exclusive of most cognates. Dictionary of geological terms, issued by american geological institute. This glossary is intended for any who need such definitions. Dictionary of geological terms by american geological. We have tried to give you a brief definition of all the technical terms used in the website. Pdf glossary of geological terms syed shams ur rahman. The terms defined below are generally of a please note that if you are logged into the lyell collection and attempt to access content that is outside of your subscription entitlement you will be presented with a new login screen. Glossary of terms geological society, london, engineering. Slope is a measure of the steepness of the terrain.
Permission was granted letters dated 91185 and 92293 to the usda natural resource conservation service formerly the soil conservation service by the american geological institute agi, to use existing definitions. We have tried to make the exhibits easy to understand without the glossary, but using this glossary may make your visit more enjoyable. Electron capture decay of light atoms those having the fewest electrons can be very slightly affected by extremely high pressures or certain chemical bonds, so as to change their. In geological terms, accretion is a process wherein geological material is added to the landmass or a tectonic plate. If we have missed any, or if you wish to find out more. This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields, which describe and identify spatial dimension, geographic locations, topographical features, natural resources, and the collection, analysis, and visualization of geographic data. Download it once and read it on your kindle device, pc, phones or tablets. This can be in the form of sea mounts, volcanic arcs, or sediments. Richardson englewood cliffs, nj, prentice hall, 1995.
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. Glossary of terms i have tried where possible not to use technical terms and jargon, but this was not always possible. Geological survey a partial glossary of spanish geological terms exclusive of most cognates by keith r. Glossary of geologic terms planetary science institute. The subjects of this dictionary are most of geological terms but there are many terms that also related with geophysics, biology, astrophysics, and geography. A partial glossary of spanish geological terms exclusive. Department of geological sciences, the university of texas, austin, texas, 63p. This indispensable reference tool contains nearly 40,000 entries, including 3,600 new terms and nearly,000 entries with revised definitions from the previous. References for the definitions can be found at the end of the document.
Sep 10, 2019 a common vocabulary with clear definitions promotes effective communication. Geology glossary definitions of geological terminology. 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. A hillshade is a grayscale rendering of the terrain which uses a simulated sun angle to shade and model the terrain features. Please select the format below for more information. Richardson, professor of geology at iowa state university based on the glossary in earth. The glossary of geology agi, 1997 serves as a major source for many glossary terms. And glossary of terms recommendations of the international union of geological sciences subcommission on the systematics of metamorphic rocks many common terms in metamorphic petrology vary in their usage and meaning between countries, and there is a range of specialized rock names that have been applied locally. Part or all of this report is presented in portable document format pdf. This glossary is intended to provide the user with a guide to. Glossary of geology american geosciences institute.
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