inglés » árabe

basalt <a basalt; basalts> SUST. GEOL.

basalt

basalt GEOL.
basalt GEOL.

basalt dyke GEOL.

columnar basalt GEOL.

ellipsoidal basalt GEOL.

quartz basalt GEOL.

Ejemplos monolingües (no verificados por la redacción de PONS)

inglés
Subsequently, parts of the first-period plateau basalts were uplifted and partly eroded while other parts were covered by younger lavas, tephra and sediments.
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It contains a lower formation made up of pillow basalts with pillow breccias, tuffs, and shales underlying a group of pelagic limestones, oozes, and turbidites.
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The basalts and granites are replaced with serpentinized peridotite, accompanied by unique serpentothemal and hydrothermal activity.
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However, basalts may remain quite black if primary pyroxene does not revert to chlorite or actinolite.
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They are associated principally with basalts, nepheline and leucite basalts and monchiquites.
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Various metamorphic facies are named after the mineral assemblages and rock types formed by subjecting basalts to the temperatures and pressures of the metamorphic event.
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For instance, actinolite amphibole is a common product of retrograde metamorphism of basalts at (upper) greenschist facies conditions.
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The lavas with which they occur are mostly olivine-basalts.
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Nontronite forms from the weathering of biotite and basalts, precipitation of iron and silicon rich hydrothermal fluids and in deep sea hydrothermal vents.
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Geologically, it is characterized by basalts overlying altered granite.
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