WorksheetsSed Rocks
Total questions: 24
Worksheet time: 14mins
Which process most likely formed a layer of the sedimentary rock, gypsum?
precipitation from seawater
solidification of magma
folding of clay-sized particles
melting of sand-sized particles
What are the rock name and map symbol used to represent the sedimentary rock that has a grain size of 0.006 to 0.2 centimeters?
Which mineral precipitates from oceans and forms rock salt?
quartz
fluorite
halite
olivine
Rocks that form from fragmental rock particles are classified as
extrusive igneous
intrusive igneous
clastic sedimentary
chemical sedimentary
Which two processes lead directly to the formation of both breccia and conglomerate?
melting and solidification
heat and pressure
compaction and cementation
evaporation and precipitation
Which rock was organically formed and sometimes contains fossilized plant impressions?
rock gypsum
phyllite
breccia
coal
Which phrase best describes coal?
low density, mafic
chemical precipitate
organic plant remains
glassy texture, volcanic
Which table shows the rocks correctly classified by texture?
Because sedimentary rocks form without any heat they are the only type of rock to contain fossils.
true
false
Which symbol represents the sedimentary rock with the smallest grain size?
Which group lists rocks in order by grain size from smallest to largest?
conglomerate, sandstone, shale
sandstone, shale, conglomerate
shale, sandstone, conglomerate
shale, conglomerate, sandstone
What is the mineral composition of limestone?
quartz
halite
Calcite
Gypsum
Which sedimentary rocks are formed by chemical precipitation from seawater?
gypsum and limestone
fossil limestone and shale
sandstone and siltstone
conglomerate and dolostone
Large rock salt deposits in the Syracuse area indicate that the area once had
large forests
a range of volcanic mountains
many terrestrial animals
a warm, shallow sea
Which sequence of events occurs in the formation of a sedimentary rock?
Which rock was most likely formed from pebble sized sediment deposited in shallow water at an ocean shoreline?
shale
basalt
siltstone
conglomerate
Which property best describes a rock which has formed from sediments?
vesicular texture
glassy texture
fragmental particles arranged in layers
coarse interlocking crystals
Which type of sedimentary rock was formed at layer X?
conglomerate
shale
rock salt
coal
What would a particle that has a diameter of .09 be classifies as?
clay
sand
pebble
silt
Which map symbol is used to represent an organically formed sedimentary rock composed mostly of carbon from plant material?
How are sediments produced?
melting and solidification
compaction and cementaion
weathering and erosion
Which bioclastic rock is shown here made of shells?
coal
sandstone
limestone
shale
this acid test is used to identify which mineral?
quartz
halite
calcite
mica
Which of the following is a sedimentary rock?
