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Provide a detailed rock description. Must include: - Modal minerology (e.g. 35%

ID: 153041 • Letter: P

Question

Provide a detailed rock description.

Must include:

- Modal minerology (e.g. 35% quartz, 25% plagioclast etc.),

- Detailed description (e.g. Sample X1 is a light-coloured rock, with pinkish K-feldspar crystals. The sample is coarse grained (grainsize range: 2-10 mm), phaneritic, and has a weakly porphyritic texture, with K-feldspar phenocrysts being larger than the other minerals on average. Plagioclase, K-feldspar and biotite exhibit subhedral microstructures, quartz is anhedral. The rock exhibits no obvious metamorphic fabrics (foliation is absent))

- other features

- A Rock name

Explanation / Answer

on the basis of QAPF diagram and given description this is plutonic igneous rocks and the given image is showing Granite rock.

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