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WorksheetsSedimentary Processes
Total questions: 20
Worksheet time: 10mins
Organic matter in soil is also called
humus
regolith
talus
loam
soil texture is determined by
water content
particle size
thickness
mineral composition
in soils with distinct soil horizons, the topmost zone is the
A horizon
B horizon
C horizon
R horizon (bedrock)
What sort of soil has 80% clay, 10% silt, and 10% sand?
loam
silty clay loam
loamy sand
clay
what does the layer below the C horizon contain?
organic matter
unweathered parent material
partially weathered parent material
subsoil
These are the remains or traces of an organism preserved from the geologic past
fossils
rocks
humus
bones
Which environment would not contain fossils?
a thick deposit of dried mud
an intrusive igneous rock formed from cooling magma
layers of sand that accumulated over thousands of years
sediments deposited in a river delta
what is important for an organism to become a fossil?
hard parts and a rapid burial
hard parts and a slow burial
soft bodies and a slow burial
all of the above - body type and speed does not matter
footprints are a type of
trace fossil
mold
carbon film
unaltered remain
When a river enters a large, calm body of water a ____ might form
alluvial fan
sand dune
delta
talus slope
What is the name of this rock
sandstone
conglomerate
shale
coal
What is the classification of this sedimentary rock?
clastic
chemical
organic
What is the name of this rock?
sandstone
shale
coquina
limestone
These dripstone features are which type of sedimentary rock?
clastic
chemical
organic
Chalk and Coquina are types of
coal
igneous rocks
limestone
clastic sedimentary rocks
Limestone is made from
carbon
calcite
mineral grains
halite
What is the name of this rock?
rock salt
graphite
limestone
coal
What is the composition of this rock?
carbon
calcite
mineral grains
halite
How was this rock formed?
chemical
organic
clastic
How is rock salt classified?
chemical sedimentary rock
clastic sedimentary rock
intrusive igneous rock
all of the above
