ch06 Testbank [Compatibility Model Microsoft Word teferences Mailings Review Vie

Question

ch06 Testbank [Compatibility Model Microsoft Word teferences Mailings Review View Emphasis Heading 1 Normal strong Paragraph Essentials of Geology, 10e (Lutgens/Tarbuck/Tasa) Chapter 6 Sedimentary Rocks 1) a common mineral found in igneous rocks, is the most abundant mineral in detrital sedimentary A) Calcite B) Orthoclase Give litter (answers) Quartz D) Biotite Diff: 1 2) Which major component of detrital sedimentary rocks only rarely occurs as a Primary mineral in igneous A) clays. B) carbonates D) ferromagnesian minerals Diff: 1 3) Zircon and tourmaline are dense, highly insoluble, chemically stable minor minerals of igneous and metamorphic rocks. In which sedimentary rock might you expect to find these minerals concentrated? A) sandstone lithified from quartz-rich beach sand B) limestone representing lithined coral-reef carbonates C) a thin, upper mudstone portion of a thick gray"Yacke bed with graded bedding D) evaporte deposits of sypsum and salt Diff: 1 Match the sediment with the appropriate rock name. c. gravel d all clay sediment b, clay and fine silt a, sand Present- Topica a Topco6. Ege Test ba inspiron

Explanation / Answer

1) answer : C

Quartz is one of the abundant minerals found in both igneous and sedimentary rocks. It crystallize in hexagonal crystal system. It has a chemical composition of SiO2

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