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How was Sturt Stony Desert formed?
processes, geographical processes to be exact......
How may foliation occur in metamorphic rock?
The foliation is caused by the massive force of pressure and high temperature which results from mountain building processes caused by plate collisions. The heat and pressure combine to realign the existing minerals from a random orientation to one of parallel orientation, thus creating the visible lines or platy cleavages found in foliated metamorphic rocks. The lines of foliation are created perpendicularly to the force being applied.
What are 2 basic classifications of Igneous rock?
The two types of igneous rock are are intrusive and extrusive, depending on where they form. Intrusive igneous rock forms underground from slow cooling magma. Extrusive igneous rock forms at or near the surface from quick cooling lava.
Why does some rocks have patterns?
Rocks can have patterns due to various geological processes, including sedimentation, crystallization, and metamorphism. As sediments accumulate over time, they can form distinct layers that create patterns when lithified into sedimentary rocks. Additionally, the cooling and solidification of magma can result in crystalline structures with unique patterns. Metamorphic processes can further alter existing rocks, leading to new textures and designs.
Why do minerals in metamorphic rocks often rearrange in layers?
The alignment of minerals into bands (foliation) is caused by the massive force of pressure and high temperature which results from mountain building processes caused by plate collisions. The heat and pressure combine to realign the existing minerals from a random orientation to one of parallel orientation, thus creating the visible lines or platy cleavages found in foliated metamorphic rocks. The lines of foliation are created perpendicularly to the force being applied.
Vertical wall of intrusive rock is a batholith?
A vertical wall of intrusive rock is more likely to be a dike or a sill, rather than a batholith. Batholiths are large masses of intrusive igneous rock that typically form large underground plutons or domes. They are usually associated with extensive geological processes and are formed at depth in the Earth's crust.
How do scientists classify intrusive igneous features?
Scientists classify intrusive igneous features based on their size, shape, orientation, and composition. These features include stocks, laccoliths, batholiths, dikes, and sills, among others. The classification helps to understand the history and evolution of the igneous rocks and the geological processes involved.
A large irregular-shaped intrusive body?
This could be a batholith, which is a large mass of igneous rock that formed beneath the Earth's surface. Batholiths are often composed of granitic rock and can cover extensive areas. They are typically exposed through erosion processes over time.
What is the most massive form of igneous intrusion is?
A batholith is the most massive form of igneous intrusion. It is a large body of intrusive igneous rock that has formed deep beneath the Earth's surface and covers an area of at least 100 square kilometers. Batholiths are often composed of granitic rock and are associated with mountain-building processes.
Dome-like mass of instrusive igneous rock?
A batholith is a dome-like mass of intrusive igneous rock that forms when magma solidifies beneath the Earth's surface. Batholiths are typically made of granitic rock and can cover large areas, often extending for hundreds of square kilometers. They are commonly associated with mountain-building processes and can be exposed at the surface after erosion.
How do batholiths become visible on the Earth's surface?
Batholiths become visible on the Earth's surface primarily through erosion and uplift. Over time, geological processes such as weathering, erosion, and tectonic activity remove the overlying sedimentary rocks, exposing the hardened magma that formed the batholith. Additionally, when tectonic forces lift the Earth's crust, these large igneous intrusions can be brought closer to the surface, making them more accessible and visible. As a result, batholiths often appear as prominent mountain ranges or hills.
Is magnetite extrusive or intrusive?
Extrusive and intrusive are terms that apply to a type or formative method of igneous rock. Magnetite is not igneous, nor is it a rock. Magnetite is a mineral, formed by the processes of crystallization.
What conditions would you expect a coarse-grained intrusive rock like diorite to form in?
Diorite typically forms in the Earth's crust during the cooling and solidification of magma deep underground. It is commonly found in association with mountain-building processes, such as subduction zones and continental collisions. Diorite can also form through the crystallization of magma chambers within the crust.
Large plutonic rocks called?
Batholiths are large plutonic rocks that form deep within the Earth's crust. They are composed of a variety of minerals such as feldspar, quartz, and mica. Batholiths are typically associated with mountain-building processes and can cover extensive areas of several hundred to thousands of square kilometers.
What other processes accompany this kind of collision?
Inelastic collisions typically involve the transformation of kinetic energy into other forms of energy, such as heat, sound, or deformation of the objects involved. These collisions can also result in a change in momentum if the objects stick together after the collision. Additionally, inelastic collisions often involve the conservation of momentum but not necessarily the conservation of kinetic energy.
Is coal an extrusive or an intrusive?
Coal is neither extrusive nor intrusive. Coal is a sedimentary rock that forms from the accumulation and compaction of plant material over millions of years. It is typically found near the Earth's surface in sedimentary basins and is not formed through volcanic or igneous processes like extrusive or intrusive rocks.
How is gold created on Earth and what processes are involved in its formation?
Gold is created on Earth through a process called nuclear fusion in the cores of massive stars. When these stars explode in supernova events, they release elements like gold into space. Over time, these elements can be incorporated into new stars and planets, including Earth. Gold can also be formed through other processes, such as in collisions between neutron stars.
