Contrast volcanic rock and sandstone

A) Sandstone has crystals but volcanic rock is amorphous.
B) Sandstone's crystal cement is made of minerals precipitated out of water, while volcanic rock's crystals formed from molten rock.
C) Volcanic rock's crystal cement is glass-like, while sandstone's cement is opaque.
D) Volcanic rock may be a mosaic of minerals, but sandstone usually forms from a single type of sand.


Answer: B

Environmental & Atmospheric Sciences

You might also like to view...

Which feature is typically found along Pacific-type active margins??

A) ?thick sediment deposit B) ?flooded valley C) ?barrier island D) ?plate boundary

Environmental & Atmospheric Sciences

Discuss the important factors that lead to the formation of waterspouts

What will be an ideal response?

Environmental & Atmospheric Sciences

Climates with an average temperature during the coldest month between -3°C and 18°C are part of the ________ climates according to the Köppen climate system

A) A B) B C) C D) D

Environmental & Atmospheric Sciences

The two components of central place theory are

A) range and rank-size rule. B) rank-size rule and threshold. C) threshold and market share. D) market share and range. E) range and threshold.

Environmental & Atmospheric Sciences