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It is called weathering.
Angus Mraz
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What forms underground caverns?
== == The dissolution of rock by acidic water, and the resulting collapse and erosion of surrounding rock.
How are sea stacks formed?
Waves pounding the shoreline can make cracks. The cracks then gradually get larger and turn into a small cave. When the cave wears through the headland, an arch forms. Further erosion causes the arch to collapse, leaving the pillar of hard rock standing away from the coast-the stack. Eventually, erosion will cause the stack to collapse, leaving a stump.
When the rock above the fault surface moves down relative to the rock below the fault surface what kind of fault forms?
This is described as a normal fault.
What is the difference between exrusive an intrsive igneous rock?
intrusive forms below the earths surface, and extrusive above
Where does Igneous rock form below or above?
Igneous rocks are formed from the cooling of lava/magma. (Lava is magma that has been moved from beneath the Earth's surface to above.) They can be formed above or below the Earth's surface- when formed above is called 'Extrusive Igneous rock' and when formed below is 'Intrusive Igneous rock'. When a rock is extrusive, it forms small crystals. When it is intrusive, it causes large crystals to form.
When a rock above a cave collapses it forms a what?
When rock above a cave collapses, a sinkhole is formed.
What is formed when rock above a cave collapses it forms a?
When rock above a cave collapses, a sinkhole is formed.
When the rock above a cave collapses forms a what?
It is called weathering.
What causes underwater caves to collapse?
Same as any cave collapse: erosion weakening the surrounding rock.
What process forms caves and sinkholes?
Erosion of rock by water flowing under the ground will form caves. If too much rock is removed, the roof of the cave may collapse, creating a large sinkhole.
What forms underground caverns?
== == The dissolution of rock by acidic water, and the resulting collapse and erosion of surrounding rock.
When a rock above a cave collapses it form a?
It is called weathering.
When the rock above a cave collapses what does it form?
It is called weathering.
When a rock above a cave collapses what does it form?
It is called weathering.
Substance of which the stalagmites are formed?
Calcite, usually, from the limestone above the cave. (Or gypsum, if the cave is in that rock)
What rock forms when sediment is squezed into layers by the weight of the rock above it?
Metamorphic rock.
How are sea stacks formed?
Waves pounding the shoreline can make cracks. The cracks then gradually get larger and turn into a small cave. When the cave wears through the headland, an arch forms. Further erosion causes the arch to collapse, leaving the pillar of hard rock standing away from the coast-the stack. Eventually, erosion will cause the stack to collapse, leaving a stump.
