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Buenavista Petrotectonic Associations Suites of rocks that formed in response to similar geological conditions are commonly found at ______ boundaries.
Buenavista Petrotectonic Associations Suites of rocks that formed in response to similar geological conditions are commonly found at ______ boundaries.
divergent
Regions where partial melting of ultramafic rock results in basaltic magma are characteristic of ______ boundaries.
Regions where partial melting of ultramafic rock results in basaltic magma are characteristic of ______ boundaries.
divergent
The most abundant volcanic rock in mid-oceanic ridges is ______.
The most abundant volcanic rock in mid-oceanic ridges is ______.
basalt
Mid-oceanic Ridge Basalts (MORB) are divided into Normal MORB and ______ MORB based on minor and trace element abundance.
Mid-oceanic Ridge Basalts (MORB) are divided into Normal MORB and ______ MORB based on minor and trace element abundance.
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Normal MORB (N-MORB) is strongly depleted in highly incompatible elements, while Enriched MORB (E-MORB) is highly abundant in ______ elements.
Normal MORB (N-MORB) is strongly depleted in highly incompatible elements, while Enriched MORB (E-MORB) is highly abundant in ______ elements.
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Layer 4 of the oceanic crust cross-section consists of non-cumulate metamorphosed depleted mantle ______ refractory residue.
Layer 4 of the oceanic crust cross-section consists of non-cumulate metamorphosed depleted mantle ______ refractory residue.
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______ Andesite has 52% - 57% SiO2 in young island arc
______ Andesite has 52% - 57% SiO2 in young island arc
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Silicic Andesite has ____% - 63% SiO2 in mature continental arc
Silicic Andesite has ____% - 63% SiO2 in mature continental arc
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Phenocrysts in B.BADR DACITE include plagioclase, hornblende, pyroxene, and ____
Phenocrysts in B.BADR DACITE include plagioclase, hornblende, pyroxene, and ____
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B.BADR TRACHYANDESITE (Latite and Shoshonite) has ____% - 69% SiO2
B.BADR TRACHYANDESITE (Latite and Shoshonite) has ____% - 69% SiO2
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Rhyolite has SiO2 content greater than ____%
Rhyolite has SiO2 content greater than ____%
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Island Arcs magmatism along the trench results in both plutonic rocks and ____ arc rocks
Island Arcs magmatism along the trench results in both plutonic rocks and ____ arc rocks
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_______ are the most diagnostic property Classified into: (1) Clastic, (2) Biochemical, and (3) Chemical.
_______ are the most diagnostic property Classified into: (1) Clastic, (2) Biochemical, and (3) Chemical.
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_______ Sedimentary Rocks Composed of fragments (clasts) of pre-existing minerals and rocks, and classified based on Grain Sizes.
_______ Sedimentary Rocks Composed of fragments (clasts) of pre-existing minerals and rocks, and classified based on Grain Sizes.
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_______ Sedimentary Rocks Composed of fragments (allochems) embedded in a matrix, and classified based on the percent abundance of both.
_______ Sedimentary Rocks Composed of fragments (allochems) embedded in a matrix, and classified based on the percent abundance of both.
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_______ Sedimentary Rocks Composed of chemically-precipitated minerals from a mineralized fluid that had undergone evaporation, leaving a residue which later transformed into sedimentary rocks.
_______ Sedimentary Rocks Composed of chemically-precipitated minerals from a mineralized fluid that had undergone evaporation, leaving a residue which later transformed into sedimentary rocks.
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Metamorphic ______ Formed from the recrystallization of pre-existing rocks and minerals due to higher temperature and pressure, forming a new mineral assemblage of that specific P-T range. Classified based on Texture: Foliated or Non-foliated Classified based on Composition (dominant minerals) Excellent markers for Temperature and Pressure.
Metamorphic ______ Formed from the recrystallization of pre-existing rocks and minerals due to higher temperature and pressure, forming a new mineral assemblage of that specific P-T range. Classified based on Texture: Foliated or Non-foliated Classified based on Composition (dominant minerals) Excellent markers for Temperature and Pressure.
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Rocks are subjected to higher P-T, and mineral components change (either compositionally or texturally). Classified based on Texture: ______ or Non-foliated Classified based on Composition (dominant minerals) Excellent markers for Temperature and Pressure.
Rocks are subjected to higher P-T, and mineral components change (either compositionally or texturally). Classified based on Texture: ______ or Non-foliated Classified based on Composition (dominant minerals) Excellent markers for Temperature and Pressure.
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