Granite rock is not porphyritic. It is phaneritic because it has a coarse-grained 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.
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.
No, it's not a sedimentary rock, it is an igneous rock. :)
granite is an igneous rock
Granite is an igneous rock.
Ah, a classic. It is porphyritic. The classic example is granite.
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.
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.
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.
Porphyritic Rocks are rocks that have big and small crystal's like the Igneous Rock "Andesite".
Porphyritic
fine grained material in a porphyritic rock
yes
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.
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.
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.
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.