Rock Types
Glacial Landforms
Inside the earth
Name that rock!
Misc Vocab
100
This type of rock is made from particles of other rocks.
What is sedimentary?
100
These structures are formed in front, and along the sides of a glacier as it advances.
What is a moraine?
100
This layer of the earth is the hottest, and is solid and made of nickle and iron.
What is the inner core?
100
I am an extrusive igneous rock that is light weight and contains gas bubbles.
What is pumice?
100
This is a sheet of ice at least 50 meters thick.
What is a glacier?
200
Intrusive igneous rocks are formed when this substance cools and hardens inside the earth.
What is magma?
200
This is a large boulder randomly left behind by a melting glacier.
What is an erratic?
200
This is the hardened outer layer of the planet covered by oceans and continents.
What is the crust?
200
I am an extrusive igneous rock that looks likew black glass.
What is obsidian?
200
Alpine glaciers form here.
What are mountains?
300
This type of rock is formed when other types of rock are subjected to heat and pressure.
What is metamorphic?
300
This body of water is formed when a large chunk of glacial ice leaves a depression in the ground and then melts.
What is a kettle?
300
This layer is outside the core and is composed of semi-molten rock called magma.
What is the mantle?
300
I am an intrusive igneous rock often used as a building material and for counter tops.
What is granite?
300
This is the name of the process that compacts and cements the particles in sedimentary rock together.
What is lithification?
400
This type of rock may contain fossils.
What is sedimentary?
400
This is a sinous ridge of glacial debris formed by rivers of melt water flowing underneath a melting glacier.
What is an esker?
400
These are the 'pieces' that the outer-most layer of the earth is broken into.
What are techtonic plates?
400
I am a common sedimentary rock composed of the skeletal fragments of marine organisms like corals.
What is limestone?
400
This is the area of a glacier where glacial ice melts faster than it accumulates.
What is the zone of ablation?
500
This term means 'the parent rock that metamorphic rocks are formed from.
What is a protolith?
500
This is an alpine glacial lake.
What is a tarn?
500
This is the top layer of the upper mantle. Rock in this layer is semi-fluid and 'flows'. Techtonic plates slide over this layer.
What is the asthenosphere.
500
I am the protolith of quartzite.
What is sandstone?
500
This is the period in an ice age when global temperatures warm and glaciers cover less of the earth.
What is an interglacial period?
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