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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