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Is granite rock porphyritic

Updated: 11/19/2022
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15y ago

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Granite rock is not porphyritic. It is phaneritic because it has a coarse-grained texture.

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Q: Is granite rock porphyritic
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Related questions

What is a rock with cyrstals surrounded by small crystals called?

Ah, a classic. It is porphyritic. The classic example is granite.


What mineral is in the wave rock?

Wave Rock, near Hyden in Western Australia, is made of granite. Specifically, it is an inselberg made up of medium and coarse-grained porphyritic granite.


What is an igneous rock with both large and small crystals?

The type of igneous rock that has large crystals surrounded by smaller crystals is not a rock but a porphyritic texture. This texture describes igneous rock that has porphyrites, or large crystals, with surrounding tiny particles, or groundmass.


What type rock is wave rock?

Wave Rock, near Hyden in Western Australia, is made of granite. Specifically, it is an inselberg made up of medium and coarse-grained porphyritic granite. Its streaked colouring comes from water running down the surface, dissolving minerals and washing chemical deposits such as iron oxide and carbonates as it goes.


What are porphyritic rocks?

Porphyritic Rocks are rocks that have big and small crystal's like the Igneous Rock "Andesite".


Which of the following is not a feature of sedimentary rock?

Porphyritic


What is a groundmass?

fine grained material in a porphyritic rock


Is sedimentary rock that forms classified as porphyritic?

yes


What Mineral alignment in a metamorphic rock usually gives the rock a porphyritic texture?

A porphyritic texture can be a feature of igneous rocks, but 'porphyritic' is not used to describe metamorphic rock texture. Metamorphic rocks can be foliated or non-foliated, terms used to describe mineral alignment or banding, or the lack thereof.


What type of Heritage is Wave Rock?

Wave Rock, near Hyden in Western Australia, is made of granite. Specifically, it is an inselberg made up of medium and coarse-grained porphyritic granite. Its streaked colouring comes from water running down the surface, dissolving minerals and washing chemical deposits such as iron oxide and carbonates as it goes.


What is the texture of granit?

Granite has a phaneritic texture. This means that it has crystals 1-10 mm. It was formed from slow cooling, viscous magma, and/or good nucleation. Crystalline. Coarse-grained. Crystals visible without magnification.


What rock types are found in Wave Rock?

Wave Rock, near Hyden in Western Australia, is made of granite. Specifically, it is an inselberg made up of medium and coarse-grained porphyritic granite. Its streaked colouring comes from water running down the surface, dissolving minerals and washing chemical deposits such as iron oxide and carbonates as it goes.