Vocab
What is lava?
What is magma at earth surface
How do igneous rocks form?
What is Crystallization
How do metamorphic rocks form
What is heat and pressure
What is sediment?
What are loose materials such as rock fragments, mineral grains, & bits of shells that have been moved by wind, water, ice, or gravity?
Felsic composition; Intrusive with a phaneritic texture;
Cooled slowly beneath the Earth’s surface
What is Granite
Mafic Rock composition
What is Dense, dark-colored
High iron and magnesium, low silica
What is the difference between intrusive and extrusive rocks?
What are intrusive rocks found under earth surface extrusive form at the earth surface
What are the two metamorphic rock textures?
What is foliated and non Foliated
What Are the 3 types of Sedimentary Rocks?
What is Detrital, Chemical, Organic
Felsic composition; Extrusive with a glassy texture;
Cooled quickly above the Earth’s surface
What is Obsidian?
Felsic Rock Composition
What is
Low density, light-colored
High silica, low iron and magnesium
Lots of silica makes the rock stiff
What are two igneous rock texture examples?
What is vesicular, glassy, aphanitic, and panareritic
What are the parent rocks?
What is the original rock before metamorphism
What are 2 Sedimentary Rock features?
What is stratification, fossils, ripple marks, and geodes
detrital limestone consisting of shells or shell fragments
What is coquina
Andesitic Rock composition
What is a
Combination of basaltic and granitic rocks
Many volcanoes around the rim of the Pacific Ocean produce andesitic lava
What are the 3 igneous rock compositions?
What is Mafic, Felsic and Andesitic
What is the difference between foliated and nonfoliated rocks?
What are foliated rocks are flattened and in parallel lines and Non-foliated rocks grow and rearrange but don't form bands
What is cementation
What is when minerals fill the spaces between grains & rock particles and bind the fragments together
Foliated Rock formed by metamorphosis or granite
Gneiss
Erosion
What is the transformation of rocks geologically
What are 2 igneous rock features?
What are Batholith, Dike, Sil, and Caldera
What metamorphic rock is used on pool tables?
What is slate
What are Detrital rocks made of?
What are pieces of other rocks
What is the lincoln memorial made of?
Marble