GEO - terms Flashcards
epicentre:
The point on Earth’s surface directly above the focus of an earthquake
erosion:
The gradual wearing away and removal of rock at the surface of Earth
igneous rock:
A type of rock formed by the cooling and solidification of magma or lava
lava:
molten rock above Earth’s surface
lithification:
the process in which sediments come together to form sedimentary rock
lithosphere:
is a layer of earth consisting of the crust and the lithospheric mantle
magma:
molten rock located below Earth’s surface
metamorphic rock:
a type of rock formed by heat and pressure
mineral:
a naturally-occurring, inorganic solid substance
protolith:
The original rock that has undergone metamorphism.
rock cycle:
an idealised series of processes undergone by rocks in Earth’s crust that change rocks from one type to another
sedimentary rock:
a type of rock formed by the accumulation and lithification of sediment
subduction:
a geological process at convergent boundaries where one tectonic plate sinks beneath another plate
tsunami:
a large ocean wave (or series of waves) caused by the displacement of large amounts of water, typically due to an earthquake or large landslide
weathering:
the gradual breakdown of rock while it remains in the same place; weathering can be caused by many things, including heating, cooling, wind, rain, chemical reactions, plant roots and human activity
