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British Geological Survey rock classification scheme; Igneous rock classification Archived 2005-08-29 at the Wayback Machine; Rock Types Article by Encyclopædia Britannica; Classification of common rocks and soils; Metamorphic Rock Classification; Volcanic rocks; Earth Science Education Unit virtual rock kit
QAPF diagram for classification of plutonic rocks. A QAPF diagram is a doubled-triangle plot diagram used to classify intrusive igneous rocks based on their mineralogy. The acronym QAPF stands for "Quartz, Alkali feldspar, Plagioclase, Feldspathoid (Foid)", which are the four mineral groups used for classification in a QAPF diagram. The ...
Print/export Download as PDF ... Rock mass classification (13 P) Rock-cut architecture ... Pages in category "Rocks" The following 36 pages are in this category, out ...
The use of rock has had a huge impact on the cultural and technological development of the human race. Rock has been used by humans and other hominids for at least 2.5 million years. [22] Lithic technology marks some of the oldest and continuously used technologies. The mining of rock for its metal content has been one of the most important ...
Print/export Download as PDF ... This page is intended to be a list of rock textural and morphological terms. ... This page was last edited on 8 August 2023, ...
Conglomerate (/ k ən ˈ ɡ l ɒ m ər ɪ t /) is a sedimentary rock made up of rounded gravel-sized pieces of rock surrounded by finer-grained sediments (such as sand, silt, or clay). The larger fragments within conglomerate are called clasts, while the finer sediment surrounding the clasts is called the matrix.
Another classification of color index is into (mineralogically) felsic and mafic rocks. [6] Rocks with low color indices are felsic, and those with higher color indices are mafic, [6] although the exact thresholds used vary. This terminology conflicts with the definition [7] [8] of felsic and mafic rocks based on silica content. [6]
Template:WikiProject Rocks and minerals is part of WikiProject Rocks and minerals, an attempt at creating a standardized, informative, comprehensive and easy-to-use rocks and minerals resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information.
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