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All detrital sedimentary rocks have a _______________ texture.

Question # 00141733
Subject: Geology
Due on: 12/27/2015
Posted On: 11/27/2015 02:55 PM

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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.

dolostone

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.

limestone

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.

limestone

d.

dolostone

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

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All detrital sedimentary rocks have a _______________ texture.

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Posted On: 11/27/2015 02:55 PM
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Tutorial Preview …scratch xxxxxx a xxxxx b flint x limestone d xxxxxxxxx 1 xxxxxx xxxxxxxx 8 xxxxx of the xxxxxxxxx environments of xxxxxxxxxx would xxxxxxx x rock xxxx the best xxxxxxxx beach desert xxxxx stream xxxxxxx xxxxxxxx fan x points QUESTION x What is xxx chemical xxxxxxxxxxx xx flint xx chert? ________________ x points QUESTION xx What xx xxx basic xxxxxxxx composition of xxxxxxxxxx…
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