The Prevailing Model for the Formation of Greenstone Beds in the Archean

question 52

Multiple Choice

The prevailing model for the formation of greenstone beds in the Archean is ____.

• A)igneous intrusion into a sandstone bed
• B)the closing of a back-arc basin
• C)a Wilson cycle
• D)mid-continental rifting
• E)ultramafic lava flows

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