Which image below better chatacteriues the texture of the grains in arkose? in q

Question

Which image below better chatacteriues the texture of the grains in arkose? in quarta sandstone? Iodicate your answers in the spaces provided 9 10. Which of the textures above is the product of extensive wave action? A or 1B?- 11. Which combination of minerals listed below and found within a sedimentary rock better characterizes a stable source? Check your answer Quartz, clay minerals Labradorite, augite 12. Shown below are three source-basin settings. For each of the arrows, identify the detrital clastic sedimentary rocks to be expected 2 2. 6.

Explanation / Answer

9. Texture refers to the physical makeup of rock—namely, the size, shape, and arrangement (packing and orientation) of the discrete grains or particles of asedimentary rock. Image A characterizes the texture of the grains of arkose more clearly.

10. Texture shown in figure B is the product of extensive wave action because graines don't have any proper of symmetric pattern of arrangement which usually happens in high energy conditions. Also the grains are having sharp edges and are not rounded.

11. Labradorite & Augite show better stable source because both the minerals are hard as compared to clay.

12. Conglomerate (4)

Sandy Conglomerate (3)

Conglomeratic Sandstone (2)

Beach Sand (1)

Volcanic Sedimentary Rocks (5)

Continental Sedimentary Rocks (6)

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