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What type of rock is shiprock made of?
Shiprock is made of igneous rock, specifically volcanic rock known as minette. It formed from a volcanic neck or throat as magma solidified beneath the surface and was exposed after millions of years of erosion.
How were the glasshouse mountains formed?
The Glasshouse Mountains were formed millions of years ago as volcanic plugs, remnants from ancient volcanic activity. The solidified magma formed hard rocks that resisted erosion, resulting in the distinctive tall peaks we see today. Over time, the surrounding softer rock eroded away, leaving the volcanic plugs exposed.
Why are volcanic rocks often exposed at Earth's surface as hills ridges and mountains surrounded by areas of lower elevation?
Volcanic rocks are exposed at Earth's surface as hills, ridges, and mountains because they are more resistant to erosion compared to surrounding rocks. This resistance is due to the harder and denser nature of volcanic rocks, which allows them to withstand weathering and erosion processes better, resulting in the formation of elevated landforms.
When a rock is exposed to weathering or erosion it will form?
When a rock is exposed to weathering or erosion, it may break down into smaller pieces or sediment due to physical, chemical, or biological processes. These smaller particles can then be transported and deposited in new locations to form sedimentary rocks through compaction and cementation over time.
What kind of geological feature is the exposed granite of Stone Mountain Georgia?
The exposed granite of Stone Mountain, Georgia is a type of igneous intrusion called a pluton. It formed underground from molten rock that slowly cooled and solidified before being exposed at the surface through erosion.
What is a magma chamber called after the conduit has solidified and been exposed by erosion?
batholith
What is hardened magma in a volcanoes pipe that remains when softer rock around it has worn away?
When magma has solidified in a volcanoes vent it is known as a volcanic plug. In some cases when there is a plug present in a stratovolcano, it can lead to very large explosive eruptions as pressure builds within the volcano.
Is the boundary of the devils tower convergent?
The boundary of Devil's Tower is not a convergent boundary. It formed through volcanic activity, where magma solidified underground and was then exposed through erosion. This process created the distinct shape of Devil's Tower.
Why are the large granite dome features of yosemite National Park in California considered to be intrusive volcanic features when they are exposed at the surface?
What would later become the granite domes of Yosemite formed when granitic magma accumulated underground and solidified in place. The area was later uplifted by tectonic forces and erosion exposed the domes while the erosion-resistant granite largely stayed in place.
What type of rock is shiprock made of?
Shiprock is made of igneous rock, specifically volcanic rock known as minette. It formed from a volcanic neck or throat as magma solidified beneath the surface and was exposed after millions of years of erosion.
How were the glasshouse mountains formed?
The Glasshouse Mountains were formed millions of years ago as volcanic plugs, remnants from ancient volcanic activity. The solidified magma formed hard rocks that resisted erosion, resulting in the distinctive tall peaks we see today. Over time, the surrounding softer rock eroded away, leaving the volcanic plugs exposed.
How are volcanic statues formed?
Volcanic statues, such as the Moai on Easter Island, are formed from solidified volcanic ash or lava that has been carved and shaped by ancient civilizations. The statues were often created to honor ancestors or chiefs and were moved into place using a combination of carving tools, ropes, and manpower. Over time, many of these statues have also been buried and exposed due to natural processes like erosion and landslides.
Why are volcanic rocks often exposed at Earth's surface as hills ridges and mountains surrounded by areas of lower elevation?
Volcanic rocks are exposed at Earth's surface as hills, ridges, and mountains because they are more resistant to erosion compared to surrounding rocks. This resistance is due to the harder and denser nature of volcanic rocks, which allows them to withstand weathering and erosion processes better, resulting in the formation of elevated landforms.
What landforms are created from hardened magma in the pipe of an extinct volcano?
A volcanic neck is eventually exposed by erosion of the surrounding softer rock.
How is a volcanic neck formed?
A volcanic neck forms when magma solidifies in the vent of a volcano, after the solidification the volcano goes either dormant for an extended period of time or goes extinct. During this period of quiescence the ash around the vent erodes away as well as all the other light material leaving only the spine that was the plug in the vent. This will last the longest as it is very densely solidified magma versus a loose conglomerate of ash on the flanks of the volcano.
When a rock is exposed to weathering or erosion it will form?
When a rock is exposed to weathering or erosion, it may break down into smaller pieces or sediment due to physical, chemical, or biological processes. These smaller particles can then be transported and deposited in new locations to form sedimentary rocks through compaction and cementation over time.
Which one is cheaper PVC conduit or emt conduit?
PVC is cheaper but is used differently. PVC is usually baried in ground and emt usually runs exposed. You can use PVC exposed if it is schedule 80 gray PVC electrical conduit. Schedule 40 is for under ground
