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Is granite or sandstone more expensive?
Granite is generally more expensive than sandstone due to its durability, unique appearance, and higher demand in the market. Sandstone is more readily available and less costly to extract and process, making it a more budget-friendly option for homeowners or builders.
Describe how the granite of a mountain could change first into sandstone and then into quartzite?
Weathering causes the granite to break down into small particles - sand. The sand becomes buried and compacts into sandstone. If the sandstone continues to be buried and comes into close contact with high heat, such as magma, it can be turned into quartzite.
Which rock is more porous granite sandstone or slate?
Granite particles are interlocked as the minerals formed from the slow cooling of molten material. Sandstone does not have the same interlocking crystal system, and voids between particles are generally larger.
How the granite of a mountain could change first into sandstone and then quartzite?
Well, honey, let me break it down for you. Granite is a tough cookie, but over time, it can weather and break down into smaller pieces, forming sandstone. Then, with a little heat and pressure, that sandstone can get a makeover and transform into quartzite. It's like nature's way of giving rocks a glow-up.
What igneous rock has no visible crystals?
Granite is a coarse grained igneous rock without Pyroxene.
Which rock has large mineral grains?
Granite is a rock that typically has large mineral grains due to its slow cooling process deep within the Earth's crust, allowing for the growth of visible crystals. This gives granite its characteristic speckled appearance and coarse texture.
When granite is weathered and eroded what rock does it become?
Granite typically weathers and erodes into smaller pieces and ultimately changes into sedimentary rock, often forming sandstone or clay minerals through the process of sedimentation and lithification.
What is the example of magmatism?
An example of magmatism is the formation of igneous rocks from the cooling and solidification of molten magma beneath the Earth's surface. This process can lead to the creation of various types of igneous rocks such as granite, basalt, and obsidian.
Sandstone that began as coral can be found on continents?
Yes, sandstone that formed from coral reefs can be found on continents through the process of uplift and erosion. Over millions of years, coral reefs were buried, compressed, and cemented into sandstone, which can be exposed through geological processes like tectonic uplift. Examples include the Coconino Sandstone in the southwestern United States, which originated as ancient marine sand dunes.
Can sandstone become shale?
Yes, sandstone can become shale through a process called lithification, where sediment undergoes compaction and cementation. However, it is more common for sandstone to transform into a different type of rock, such as quartzite, when subjected to higher temperatures and pressures. Shale typically forms from the compaction of finer sediments like silt and clay. Therefore, while there's a geological connection between these sedimentary rocks, sandstone does not directly become shale.
Does granite form from underground?
Yes, granite forms underground from the slow crystallization of magma. As molten rock cools and solidifies beneath the Earth's surface, it creates the coarse-grained texture characteristic of granite. This process can take thousands to millions of years, allowing large mineral crystals to develop. Eventually, geological processes can bring granite closer to the surface, where it can be exposed through erosion.
What type of rocks form from melting and cooling?
These are igneous rocks. They may form from lava at the Earth's surface, like basalt, or from magma beneath the ground, like granite.
