IMG_4162

25. Foliation can be described as parallel alignment of mineral grains . parallel orientation of shear zones ¢. concentration of similar minerals in bands or layers by diffusion 5 of 7 d. bedding due to change in depositional environments 26. Rocks produced by dynamic metamorphism undergo a. conditions of extremely high pressure b. crushing and grinding in shear zones _ . c. conditions of moderate heat and pressure applied over long periods of geologic time @both a and b 27 Slate 15 a rock that was probably produced by metamorphism of a. granite b. limestone (€ shale d. olivine 28. Which of the following metamorphic rocks are often non-foliated? a. Slate b. Fault breccia ¢. Marble d)both band ¢ 29. Hydraulic conductivity is a function of a. intrinsic permeability of the material b. fluid viscosity C. porosity @bothaand b 30. Continuous strain at a constant value of stress is characteristic of which type of material? a. Elastic [ Plastic ¢. Viscous d. Brittle /1. Many rocks exhibit behavior in an unconfined compression test that is very nearly elastic at the beginning of the test in the middle of the test c. for large void ratios only d. none of the above 32. Principal stresses a. are mutually perpendicular to each other b. act on planes on which there are no shear stresses c. may be different in magnitude @al] of the above 33, The 1llustration below shows three Mohr circles.