Cooler, older, oceanic lithosphere sinks into the mantle at ______ . - ️️subduction zones along convergent plate boundaries
Correct statements - ️️1. Magmas crystallize to form igneous rocks.
2. Igneous rocks can undergo metamorphism.
3. Metamorphic rocks may melt to become magma.
4. Ig...
Cooler, older, oceanic lithosphere sinks into the mantle at ______ . - ✔ ✔
subduction zones along convergent plate boundaries
Correct statements - ✔ ✔ 1. Magmas crystallize to form igneous rocks.
2. Igneous rocks can undergo metamorphism.
3. Metamorphic rocks may melt to become magma.
4. Igneous rocks may undergo weathering and produce sediments.
Diorite - ✔ ✔ Texture: Phaneritic
Composition: Intermediate
Gabbro - ✔ ✔ Texture: Phanertic
Composition: Mafic
Garnet Mg3Al2(SiO4)3 - ✔ ✔ Silicates
Gypsum CaSO4*2H2O - ✔ ✔ Sulfates
Halite (NaCl) - ✔ ✔ Halides
Hornblende and the other amphiboles have what type of silicate structure?
- ✔ ✔ double chains
In a porphyritic volcanic rock, which mineral crystals are the last to
crystallize? - ✔ ✔ matrix or groundmass
, In correct order from the center outward, Earth includes which units? - ✔
✔ inner core, outer core, mantle, crust
Malachite Cu2CO3(OH)2 - ✔ ✔ Carbonates
New oceanic crust and oceanic lithosphere are formed at _______ . - ✔
✔ divergent boundaries by submarine eruptions and intrusions of
basaltic magma.
Obsidian - ✔ ✔ Texture: Glassy
Composition: Felsic
Orthoclase KAlSi3O8 - ✔ ✔ Silicate
Pyrite (FeS2) - ✔ ✔ Sulfides
Pyroxene MgSiO3 - ✔ ✔ Silicates
Rhyolite - ✔ ✔ Texture: Aphanitic:
Composition: Felsic
Sphalerite (ZnS) - ✔ ✔ Sulfides
Sulfur (S) - ✔ ✔ Native elements
Which mineral is composed of silicon dioxide (SiO2)? - ✔ ✔ quartz
The __________ is a liquid, metallic region in the Earth's interior. - ✔ ✔
outer core
The ___________ is the relatively cool brittle plates of plate tectonics. - ✔
✔ lithosphere
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