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picture1_Geology Pdf 200871 | Mines Outreach Education Features Rocks


picture2_Geology Pdf 200871 | Mines Outreach Education Features Rocks picture3_Geology Pdf 200871 | Mines Outreach Education Features Rocks

 74x       Filetype PDF       File size 0.47 MB       Source: www.gov.nl.ca


File: Geology Pdf 200871 | Mines Outreach Education Features Rocks
Rocks & Minerals (Adapted from: Geology and Geological Features: A Photographic Slide Collection compiled by B.F. Kean, 1993) Minerals are naturally formed crystals that are composed of one ...

icon picture PDF Filetype PDF | Posted on 09 Feb 2023 | 2 years ago
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...Rocks minerals adapted from geology and geological features a photographic slide collection compiled by b f kean are naturally formed crystals that composed of one or more chemical elements they distinguished other natural solid materials their crystalline structure some in not because lack i e amorphous eg obsidian volcanic glass most inorganic processes however few organic living organisms calcite coral single element include diamond carbon the native elemental metals gold copper silver such as chalcopyrite sphalerite mica compounds consisting several made up exception being glassy rhyolites polymineralic contain than mineral monomineralic limestone marble rock forming rapid others requiring millions years active today past divided into three main classes igneous magma molten cools solidifies is produced far below earth s surface heat generated mainly radioactive disintegration uranium thorium potassium two types extrusive intrusive lava form when magmas reach through fissures vents ...
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