Foundations of Geology Crossword Puzzle
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QUESTIONS LIST:
- dike : a vein of igneous rock that runs perpendicular to the strata.
- rock : usually a combination of two or more minerals
- unconformity : a surface of erosion that separates one layer of rock from another.
- crystalline : usually with a sharp, geometric shape.
- mineral : basic building block of rocks.
- erosion : there is only an unconformity when there is clear evidence of _ .
- stalagmite : structure that rises from the floor of a cavern.
- stalactite : an icicle-like structure hanging down from the ceiling of a cavern.
- magma : molten rock.
- minerals : inorganic crystalline substances found naturally in the earth.
- laminae : several layers of lamination together.
- strata : layers of rock.
- lamination : a single layer of rock that is less that 1 cm thick.
- column : when the formation in a cavern is from the floor all the way to the ceiling.
- sill : a vein of igneous rock that runs in the same direction as the strata.
- topsoil : topmost layer that is rich in humus.
- metamorphic : rock that has undergone change, usually due to heat and/or pressure.
- water : most sediment is laid down by _ .
- delta : sediment deposits carried to the end of a river can form this.