Geological history describes geological events that account for the
stratigraphy,
petrology and structure (see
structural geology) seen in rocks or
earth materials.
See
geologic timescale.
Stratigraphy, a branch of geology, studies rock layers and layering (stratification). It is primarily used in the study of sedimentary and layered volcanic rocks. Stratigraphy includes two related subfields: lithologic or lithostratigraphy and biologic stratigraphy or
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Lithological redirects here.
Petrology (from Greek: πέτρα,
petra, rock; and λόγος,
logos..... Click the link for more information. Structural geology is the study of the three dimensional distribution of rock bodies and their planar or folded surfaces, and their internal fabrics.
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Earth materials is a general term that includes rocks and materials that are not by definition rocks but are commonly regarded as rocks. Examples of the latter are coal and volcanic glass, which are not composed of minerals.
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The geological time scale is used by geologists and other scientists to describe the timing and relationships between events that have occurred during the history of Earth.
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