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How does water entering spaces in limestone cause physical weathering?
Mainly through expansion of cracks and fissures from frost expansion which leads to further and deeper cracks and fissures. Plant roots seeking moisture may extend roots into limestone cracks and fissures, prying the rock apart.
true or fale the freezing and thawing of rocks cracks and breaks rock. this is a mechanical type of weathering?
False
How is a xenocryst formed?
A xenocryst is a mineral crystal which is imbedded in igneous rock. The crystal is formed by exotic chemical and structural reactions in the tremendous pressure and temperature of the Earth's mantle, below the crust. The crystal is then picked up by liquid magma rock, and carried up cracks and fissures into the crust, where it solidifies into igneous rock. If the magma makes it all the way to the Earth's surface (where it is called lava), it solidifies into igneous rock either as a lava flow or a volcanic eruption. A classic example is the inclusion of xenocystic diamonds in fissures of igneous Kimberlite rock in the famous diamond mines of Africa.
How do plants affect earths landform?
the plants roots sink into the rock and cracks the rock.
Places where groundwater bubbles or flows out of cracks in the rock are called?
places where groundwater bubbles or flows out of cracks in the rock is called springs.
How does water entering spaces in limestone cause physical weathering?
Mainly through expansion of cracks and fissures from frost expansion which leads to further and deeper cracks and fissures. Plant roots seeking moisture may extend roots into limestone cracks and fissures, prying the rock apart.
Insects live in the metamorphic rock?
Insects can perform their life functions in and around the cracks and fissures of exposed weathered metamorphic rock.
What are cracks formed in rock?
faults
What are large cracks that can allow melted rock to ooze out in a lava flow?
fissures I'm 100% sure
What are examples of weathering?
such as rain and sleet and snow,
Vein minerals are metal deposits that occur in the cracks of rocks?
Vein minerals can contain deposits of metals and other minerals, and occur in fissures or cracks of rock.
What is Magma injected into older rock?
That is known as an "intrusion". The magma (lava) is forced under pressure into cracks and fissures within the older rock. There are some good examples of this type of formation in Yellowstone caldera.
What words could be related to fissures?
Cracks, splits, openings, crevasses.
What are cracks in the ocean crust that allows heat from the earth to escape?
They are called fissures.
Cracks in the ground that allow steam and gas to escape?
These are typically called fumaroles, and can occur along cracks or fissures in the ground.
How did groundwater create the Cave of Lascaux?
Groundwater seeping through the limestone rock over thousands of years dissolved the rock, creating cracks and fissures. Eventually, these cracks formed larger passageways that became the cave system of Lascaux.
Water often passes through beds of limestone because?
the beds have cracks and fissures in them
