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picture1_Lec03 Item Download 2023-02-09 17-38-02


picture2_Lec03 Item Download 2023-02-09 17-38-02 picture3_Lec03 Item Download 2023-02-09 17-38-02

 99x       Filetype PDF       File size 0.97 MB       Source: eagri.org


File: Lec03 Item Download 2023-02-09 17-38-02
Rocks and minerals What is Rocks? Rocks are the materials that form the essential part of the Earth’s solid crust. “Rocks are hard mass of mineral matter comprising ...

icon picture PDF Filetype PDF | Posted on 09 Feb 2023 | 2 years ago
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...Rocks and minerals what is are the materials that form essential part of earth s solid crust hard mass mineral matter comprising one or more rock forming formed from molten material known as magma study called petrology in greek petra means logos science deals with description petrogenesis origin formation cooling consolidation within on surface igneous primary transportation cementation sedimentary secondary alteration existing metamorphic intrusive extrusive clastic chemical foliated nonfoliated gabbro basalt sandstone limestone slate quartzite schist marble granite rhyolite shale massive these first due to solidification based mode they further classified volcanic when it flows lava e g plutonic produced below solidifies at greater depth hypabassal shallow syenite diorite etc vertical cracks dykes horizontal sills vesicular cools steam water entrapped into forms vesicles silica content also acid sio intermediate sub trachyte basic andesite no common average remarks specific gravity ...
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