All detrital sedimentary rocks have a _______________ texture.

All detrital sedimentary rocks have a _______________ texture.

Question

QUESTION 1

All detrital sedimentary rocks have a _______________ texture.

1 points

QUESTION 2

All but one chemical sedimentary rocks have a ____________________ texture.

1 points

QUESTION 3

Which of the following sedimentary rocks has a clastic texture?

a.

chalk

b.

flint

c.

breccia

d.

dolostone

1 points

QUESTION 4

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

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

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

Which of the following sedimentary rocks would scratch glass?

a.

shale

b.

flint

c.

limestone

d.

dolostone

1 points

QUESTION 8

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

What is the chemical composition of flint or chert? ________________

1 points

QUESTION 10

What is the basic chemical composition of limestone? ____________

1 points

QUESTION 11

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

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.