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{{Short description|Investigation of the geology in a region for creating a geological map}} ...ate, province, or national geological survey organizations to maintain the geological [[inventory]] and advance the knowledge of [[geosciences]] for the benefit ...

...w.researchgate.net/publication/285864992_Techniques_in_Sedimentology (PDF) Techniques in Sedimentology]</ref> ...ppenbecker S. J. and Eliffe J. E., Basin Modelling: Practice and Progress, Geological Society Special Publication, (1998). {{ISBN|1-86239-008-8}} ...

...is a collaboration between multiple institutions and agencies that operate geological sample repositories. The purpose of the database is to help researchers loc ...er230.jpg|thumb|230px|left|Locations in the Index to Marine and Lacustrine Geological Samples Database (2006)]] ...

'''Incremental dating''' techniques allow the construction of year-by-year annual chronologies, which can be te ...on precession]] every 19,000 and 23,000 years) leave traces visible in the geological record. These changes provide a long-term sequence of climatic events, reco ...

'''Slope mining''' is a method of accessing valuable geological material, such as [[coal]] or [[ore]]. A sloping access shaft travels down {{Mining techniques}} ...

...[[relative dating]] technique in geology. It was first developed by Danish geological pioneer [[Nicholas Steno]] in ''Dissertationis prodromus'' (1669) and later ...nformity]]) cuts across older rock layers, geological structures, or other geological features. ...

* modelling the rock [[density|densities]] of the topography and of [[geological]] layers in the [[Subsurface (geology)|subsurface]] == Measuring techniques == ...

{{short description|Mining techniques used to extract minerals/materials from sedimentary rock}} ...morphic rock]]s (see [[underground hard-rock mining]]). Underground mining techniques also differ greatly from those of [[surface mining]]. ...

...phological activity of rivers as illustrated by the River Fyris, Bulletin. Geological Institute Upsalsa, 25, 221-527.</ref>" in 1935. The graph takes sediment pa [[Category:Geological techniques]] ...

|branch= [[United States Geological Survey]] ...the war effort, either for patriotism or prestige or both, and provided a geological intelligence report for a randomly chosen country, [[Sierra Leone]]. ...

...hen headed studies on hydrocarbon potential evaluation at the Institute of Geological Sciences at [[Taras Shevchenko National University of Kyiv|Kyiv State Unive ...e returned to Kyiv and headed the Petroleum Department at the Institute of Geological Sciences. ...

...n (Appalachian Mountains)|Pine Mountain]]. It forms part of the string of geological features that made the [[Cumberland Gap]] a critical westward passage durin ...raterrestrial origin. K. J. Englund and J. B. Roen, working for the U. S. Geological Survey, identified the impact basin in 1962.<ref>{{cite web|author=K. A. Mi ...

.<ref>[http://crcleme.org.au/RegExpOre/Poona.pdf Poona and Wheal Hughes - Geological Survey]</ref> It was subsequently worked using open-cut techniques between 1990 and 1993, and eventually reopened in 1998 as tourist attractio ...

==Geological cave indicators== ...low entry. If the entrance is too small, it is enlarged using cave digging techniques. ...

...news.stanford.edu/news/2003/december3/safod-123.html |title=Stanford, U.S. Geological Survey team up to get inside scoop on quake zone San Andreas Fault Observat ...php |title=San Andreas Fault Observatory at Depth |publisher=United States Geological Survey |accessdate=September 4, 2018}}</ref> Data collected at SAFOD are av ...

...visitors with free viewing and printing of the full set of [[United States Geological Survey]] [[topographic maps]] covering the entire [[United States]]. The ma [[Category:Topography techniques]] ...

...}}</ref> Mineral Resources are further sub-divided, in order of increasing geological confidence, into inferred, indicated and measured as categories. ...grade continuity. It is based on information gathered through appropriate techniques from locations such as outcrops, trenches, pits, workings and drill holes w ...

{{Short description|Division of the US Geological Survey which studies planetary geology and cartography}} ...s://astrogeology.usgs.gov/geology}}</ref><ref>{{Cite web| publisher = [[US Geological Survey]]| title = Maps / Products| work = USGS Astrogeology Science Center| ...

{{Short description|Special-purpose map to show geological features}} ...'' or '''geologic map''' is a special-purpose [[map]] made to show various geological features. [[Rock (geology)|Rock]] units or [[stratum|geologic strata]] are ...

{{Short description|Study of the geological history of Earth}} [[File:Geological time spiral.png|thumb|Geologic Time Spiral]] ...