of relating strata to time) and geochronology (a scientific branch of geology that aims to determine the age of rocks). It is used primarily by Earth...

Carboniferous or Early Carboniferous) is a subperiod in the geologic timescale or a subsystem of the geologic record. It is the earlier of two subperiods of the...

The geology of the Canary Islands is dominated by volcanoes and volcanic rock. The Canary Islands are a group of volcanic islands in the North Atlantic...

classification charts are intended to help create and eventually visualize the outcome. According to Brinton "in a classification chart the facts, data...

National Geological Monuments are geographical areas of national importance and heritage, as notified by the Government of India's Geological Survey of...

Stratigraphy Stratigraphical charts for the Quaternary Version history of the global Quaternary chronostratigraphical charts (from 2004b) Silva, P.G. C...

also known as Upper Carboniferous or Late Carboniferous) is, on the ICS geologic timescale, the younger of two subperiods of the Carboniferous Period (or...

inward. Bathymetric surveys and charts are associated with the science of oceanography, particularly marine geology, and underwater engineering or other...

Marine geology or geological oceanography is the study of the history and structure of the ocean floor. It involves geophysical, geochemical, sedimentological...

of Granite Harbour, Victoria Land, Antarctica. It was charted and named by the Western Geological Party of the Terra Nova Expedition (1910–13) who established...

Merriam-Webster. Henry, Darrell. "Classification of Igneous Rocks - Flow Chart". Geology 3041: Igneous and Metamorphic Petrology Lectures. Louisiana State University...

satellite & aerial imagery, topographic maps, nautical & aeronautical charts, geological maps, bathymetric data and atlases. EVG has a history serving Energy...

stratigraphical, geological, and geochronological matters on a global scale. It is the largest subordinate body of the International Union of Geological Sciences...

The Triassic (/traɪˈæsɪk/ try-ASS-ik; sometimes symbolized 🝈) is a geologic period and system which spans 50.5 million years from the end of the Permian...

The geologic record in stratigraphy, paleontology and other natural sciences refers to the entirety of the layers of rock strata. That is, deposits laid...

Holocene epoch or series. This way of breaking down time is based only on geology; for example, it is unrelated to the three-age system of historical periods...

The Permian (/ˈpɜːrmi.ən/ PUR-mee-ən) is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period...

International Chronostratigraphic Chart (PDF), International Commission on Stratigraphy. Dickin, Alan P. (2000). Radiogenic isotope geology (1 ed.). Cambridge: Cambridge...

stage is a succession of rock strata laid down in a single age on the geologic timescale, which usually represents millions of years of deposition. A...

Dictionary of geological terms, Anchor, 3rd ed. 1984, p. 372 ISBN 978-0-385-18101-3 Guilbert, John M. and Charles F. Park, Jr., The Geology of Ore Deposits...

Union of Geological Sciences (IUGS) is an international non-governmental organization devoted to international cooperation in the field of geology. As of...

(/ɔːrdəˈvɪʃi.ən, -doʊ-, -ˈvɪʃən/ or-də-VISH-ee-ən, -⁠doh-, -⁠VISH-ən) is a geologic period and system, the second of six periods of the Paleozoic Era. The...

The Geology of Pennsylvania consists of six distinct physiographic provinces, three of which are subdivided into different sections. Each province has...

The geological history of the Earth follows the major geological events in Earth's past based on the geological time scale, a system of chronological...

Quaternary Glacial Erosion and Corrie Formation, Marie Byrd Land, Antarctica". Geology. 1 (2): 76. Bibcode:1973Geo.....1...75A. doi:10.1130/0091-7613(1973)1<75:ROQGEA>2...

The Cretaceous (IPA: /krɪˈteɪʃəs/ krih-TAY-shəss) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and...

particles will be more likely to fall through the flow. In geography and geology, fluvial sediment processes or fluvial sediment transport are associated...

In geology, a group is a lithostratigraphic unit consisting of a series of related formations that have been classified together to form a group. Formations...

the Quaternary, was applied. In the early development of the study of geology, the periods were thought by scriptural geologists to correspond to the...

"years before present (YBP)" is a time scale used mainly in archaeology, geology, and other scientific disciplines to specify when events occurred relative...