Vocabulary
A fossil that characterizes a particular period of time is called a(n) ________________
Index fossil
Sandstone is formed from this process.
Cementation
Igneous rocks are formed from _______ or ________.
Magma or lava cooling
What do geologists call the layers in metamorphic rock?
foliation
Rock ___ is metamorphic.
Rock ___ is igneous.
A
B
A crack in Earth’s crust where movement can occur
Fault
This rock will fizz if hydrochloric acid is dropped on it.
Limestone.
What feature should you observe to learn how an igneous rock formed?
Crystal size
Name the metamorphic rock that forms when sandstone is exposed to heat and pressure.
Quartzite.
What process can make the rock on the left more like the rocks on the right?
Abrasion
This category of igneous rock has larger crystals that cool slowly within Earth's crust.
Intrusive.
Name the classification of rock for particle size between 0.25 - 0.5 millimeters.
Medium sand
What size crystals most likely formed from molten material that cooled and solidified rapidly?
Small
If shale is subjected to heat and pressure it could become _________, and then even more heat and pressure could metamorphosize it into ___________.
slate, schist
Which profile shows the pattern of deposition when a fast-moving stream carrying sediments enters the slow-moving water of an ocean?
4
What mineral in limestone makes it fizz in acid?
Calcite.
Of all the sedimentary environments, this has the slowest moving water.
Swamp.
If an igneous dike intrudes into an existing rock layer, what are some of that igneous rock's characteristics?
Large crystals (intrusive)
Describe the environment in which metamorphic rock forms.
Underground, heat from Earth's interior, pressure from plate interactions.
Write one word that can explain the sandstone layer at the top.
Uplift.
This is where deposition occurs to form sedimentary rock.
Basin.
List clay, sand, and silt in order from largest to smallest
Sand, silt, clay
Which cooled faster: basalt or granite?
basalt
Name all five metamorphic rocks we observed in class.
Quartzite, marble, slate, gneiss, schist
Which is older the Vishnu Schist or the Zoroaster Granite?
Zoroaster Granite