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Which of the following does NOT match a sedimentary rock with a possible metamorphic equivalent?

1) Sandstone - quartzite
2) Limestone - marble
3) Basalt - schist
4) Basalt - gneiss

User Tom Deseyn
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Final answer:

The incorrect match of sedimentary rock to metamorphic rock is Basalt - schist because basalt is an igneous rock and can metamorphose into gneiss, not schist.

Step-by-step explanation:

The main answer to the question of which option does NOT correctly match a sedimentary rock with its metamorphic equivalent is option 3) Basalt - schist.Sedimentary rocks, such as sandstones, shales, and limestones, are formed from fragments of other rocks or organic materials cemented together. When subjected to high temperatures or pressures, these sedimentary rocks undergo a transformation into metamorphic rocks. For example, sandstone metamorphoses into quartzite and limestone metamorphosis into marble. Basalt, however, is an igneous rock and does not match with schist as its metamorphic equivalent. Schist is typically formed from the metamorphism of mudstone or shale. Basalt can metamorphose into gneiss under appropriate conditions. Therefore, basalt's correct metamorphic match would be gneiss, not schist.In conclusion, the incorrect match from the given options is basalt paired with schist as basalts' metamorphic form is more accurately gneiss.

User Jiahut
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