8. TFThe upper T-P limit for metamorphic rocks is reached when the rock just 9.T

Question

8. TFThe upper T-P limit for metamorphic rocks is reached when the rock just 9.TFVolcanie ash is very fine-grained, and causes serious health issues during 10. TF Sedimentary facies allow you to predict possible changes in lithology. 11. T F Oolitic limestone forms from skeletons of animals that lived in the wave zone. 12. T F The size of a metamorphic “bake" zone in contact metamorphism often is begins to melt. eruptions. related to the "delta T" and the size of the intrusion All minerals have at least one direction of eleavage; most will have several directions. 13. TF 14. TF Chemically stable minerals are less likely to weather under surface conditions. 15. TF An arkose is a sandstone with 25 percent or greater feldspar grains.

Explanation / Answer

8- False , it rock melts then it will no longer be a metamorphic rock rather it will called a migmatite.

9- True

10- true

11- false, skeletons in limestone catagorised under the bioclast

12- true

13- false, Quartz has no cleavage.

14- true

15- true

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