Question QUESTION 1 1. All detrital sedimentary rocks have a _______________ texture. 1 points QUESTION 2 1. All but one chemical sedimentary rocks have a ____________________ texture. 1 points QUESTION 3 1. Which of the following sedimentary rocks has a clastic texture? a chalk . b flint . c. breccia d doloston . e 1 points QUESTION 4 1. Which of the following sedimentary rocks has a detrital origin? a siltstone . b shale . c. flint d limestone . e both a and . b 1 points QUESTION 5 1. Which of the following sedimentary rocks forms where a restricted basin of warm shallow seawater evaporates? a flint . b shale . c. coquina d rock . gypsum 1 points QUESTION 6 1. Which of the following sedimentary rocks will fizz under dilute HCl? a chalk . b coquina . c. limeston e d rock salt . e a b and . c 1 points QUESTION 7 1. Which of the following sedimentary rocks would scratch glass? a shale . b flint . c. limeston e d doloston . e 1 points QUESTION 8 1. Which of the following environments of deposition would provide a rock with the best sorting? beach desert dunes stream channel alluvial fan 1 points QUESTION 9 1. What is the chemical composition of flint or chert? ________________ 1 points QUESTION 10 1. What is the basic chemical composition of limestone? ____________ 1 points QUESTION 11 1. The grains in a sandstone may be angular or they may be rounded. In general the degree of roundness of the grains in a detrital sedimentary rock is an indication of what? 1 points QUESTION 12 1. Which of the following is likely to contain more feldspar than the other? Choice 1: a sandstone with its grains derived from a weathered granite cliff 600 miles away Choice 2: a sandstone with its grains derived from a weathered sandstone cliff 600 miles away. indiate your answer here: ___________________ 1 points Click Save and Submit to save and submit. Click Save All Answers to save all answers.
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