A geologist finds a layer of rock that is made of very fine-grained particles of clay.

What type of rock did the geologist find?

A.
limestone

B.
conglomerate

C.
sandstone

D.
shale

Question

A geologist finds a layer of rock that is made of very fine-grained particles of clay.
 
What type of rock did the geologist find?
 
 A.
limestone
 
 B.
conglomerate
 
 C.
sandstone
 
 D.
shale

anonymous · Answer

sand stone haha :-)

anonymous · Answer

NO NO NO ITS SHALE SHALE


Shale is a fine-grained, clastic sedimentary rock composed of mud that is a mix of flakes of clay minerals and tiny fragments (silt-sized particles) of other minerals, especially quartz and calcite.
Shale - Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Shale
Wikipedia

anonymous · Answer

@dan23 thank you for explaining, even if this is from a while ago