Sedimentary rocks
Thick grained detrital sedimentary rock
What is conglomerate?
Very dark, crystal-free volcanic igneous rock (sometimes with small inclusions of olivine crystals), and very dense
What is basalt?
High-grade metamorphic rock with foliation
What is gneiss?
Rocks that are formed by transformation of other rocks at high pressures and/or temperatures, without melting
What are metamorphic rocks?
Medium-grain detrital sedimentary rock
What is sandstone?
Non-detrital sedimentary rock formed by the precipitation of calcium carbonate
What is limestone?
Plutonic igneous rock formed by quartz, feldspar and mica
What is granite?
Medium-grade metamorphic rock with foliation
What is shale?
Rocks that are formed by the accumulation of remains of living organisms
What are organic rocks?
The process of transforming the mineral structure or composition of a rock when it is subjected to high temperature or pressure without melting
What is metamorphism?
Fine-grained detrital sedimentary rock
Volcanic igneous rock that has a large number of pores (vesicles) due to the escape of gases, a light color, and low density
What is pumice?
Low-grade metamorphic rock with foliation
What is slate?
Rocks that are formed by the solidification of lava on the surface. Sometimes they have bubbles and minerals have no crystalline structure or have very small crystals.
What are volcanic rocks?
Rocks that are formed by the accumulation of sediments
What are detrital sedimentary rocks?
Evaporitic non-detrital sedimentary rock formed by salt precipitation
What is halite?
The process of decomposition of minerals and rocks that occurs when they come into contact with the atmosphere, hydrosphere, and biosphere
What is weathering?
Non-foliated metamorphic rock formed from limestone
What is marble?
The process by which materials from rock erosion are deposited or precipitated.
What is sedimentation?
A process that involves the erosion of rocks exposed to the earth's surface and the transport of the debris formed.
What is erosion?
Evaporitic non-detrital sedimentary rock formed by calcium sulfate precipitation
What is gypsum?
Volcanic igneous rock, also called "volcanic glass" because it does not have a true crystalline structure
What is obsidian?
Non-foliated metamorphic rock formed when sandstones are under high pressures
What is quartzite?
Rocks that form on the Earth's surface
What are exogenous rocks?
Rocks that form within the Earth's crust
What are endogenous rocks?