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Can igneous rock sink?
Old, cool igneous rock sinks.
How can you tell that diorite rock is an intrusive igneous rock?
because most intrusive igneous rock are found underground and diorite is found under the earth.
Igneous rock that forms when magma hardens beneath earths surface is called?
Intrusive igneous rock
How are igneous rocks that have high levels of quartz classified?
A rock is considered igneous if it formed directly from the cooling of molten rock.
How can mineral quartz be in an igneous and sedimentary rock?
== == Quartz is actually a silicate mineral that appears in metamorphic, sedimentary, and igneous rocks.
Is the moon an igneous rock?
most of them. there are some that made from frozen gaz
The texture of an igneous rock depends on the size and the shape of its what?
mineral crystals
Why do rock fossils form in sedimentary rock and not igneous rock?
Sedimentary rock can be made from sediments cemented together, or formed in the shape of remains of living things. Igneous rock is made from cooled magma, inside or outside the crust.
What texture is igneous?
igneous is the texture of igneous rocks. The texture of igneous rocks is defined by 3 ways: a) Crystallinity- it expresses the degree of formation of crystals in an igneous rock. the texture of an igneous rock may be Holocyrstalline (Completely characterised by crystals, Hemicrystalline (partially having crystals) and holocrystalline (no crystals). b) Granularity- it is the size of the grains. it may be equigranular (when mineral grains are equal in size) or inequigranular (when mineral grains are not equal in size). c) shape of crystals- The shape of crystals may be Euhedral (When all crystals are of same shape), Subhedral (when they are partially similar in shape), Anhedral (when they are completely different in shape).
Where is hornblend found?
Hornblende is found in both igneous and metamorphic rocks and can be recognized by its colour and prismatic shape.
What type of rock forms when molten rock cools?
Rock that forms from molten rock that cools and solidifies is called igneous rock.
What describes rock that was formed when molten rock cooled down?
Igneous rock is formed.
Type of rock formed from molten rock?
Igneous rock is formed when magma cools and becomes solid.
What type of rock is a pumice rock?
an igneous rock.
Is obsidian metamorphic igneous or sedimentary?
Obsidian is an igneous rock.
What kind of rock is formed after a volcano erupts?
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
When magma is cooled it becomes what?
Cooling and solidifying magma turns into igneous rock.
