41. What is the dominant mineral in basalt? A. Quartz B. Biotite C. Pyroxene D. Calcite Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
42. Which metamorphic rock shows distinct mineral banding? A. Slate B. Gneiss C. Marble D. Quartzite Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
43. Which of the following is a clay mineral? A. Biotite B. Feldspar C. Kaolinite D. Muscovite Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
44. What kind of igneous texture results from rapid cooling of lava? A. Coarse-grained B. Porphyritic C. Vesicular D. Fine-grained Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
45. Which sedimentary rock has the finest grain size? A. Conglomerate B. Shale C. Sandstone D. Siltstone Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
46. Which mineral has perfect cleavage in one direction? A. Quartz B. Mica C. Feldspar D. Olivine Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
47. What type of rock is gabbro? A. Extrusive igneous B. Metamorphic C. Intrusive igneous D. Sedimentary Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
48. Which of the following rocks is organic in origin? A. Shale B. Coal C. Rhyolite D. Conglomerate Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
49. Which mineral is a major component of clay? A. Amphibole B. Kaolinite C. Garnet D. Halite Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
50. What texture does granite exhibit? A. Glassy B. Porphyritic C. Fine-grained D. Coarse-grained Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
