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What is porphyroblasts?
Porphyroblasts are large mineral crystals that form within a finer-grained matrix during the metamorphism of rocks. They often show a distinctive shape and can help geologists determine the pressure and temperature conditions at which the rocks formed.
What graph best represents the relationship between the length of time molten magma takes to cool and the size of the crystals in the rock formed by the magma?
A negative correlation graph best represents the relationship between the length of time molten magma takes to cool and the size of the crystals in the resulting rock. As the cooling time increases, the crystals tend to grow larger due to more extended periods for crystal formation. Conversely, rapid cooling typically results in smaller crystals. Thus, the graph would show a downward trend, illustrating this inverse relationship.
What reality show did Storm Large appear on?
Storm Large appeared on the CBS reality TV show "Rock Star: Supernova". She is a singer, songwriter, author and actor. Although she primarily is a rock artist, she has recently branched out into the theater.
What is the difference between slate and shale?
Slate is a metamorphic rock whose parent rock is Shale. Slate is composed of micro crystals. The easiest way to differentiate the two is distinctive layering. Shale does not show distinctive layering. Slate does show distinctive layering.
How do you tell if a rock is intrusive?
Intrusive rocks have large crystals due to slow cooling beneath the Earth's surface, giving them a coarse texture. They often appear in large, plutonic formations such as batholiths or stocks. Intrusive rocks generally show no evidence of volcanic activity.
What is a non-vesicular rock that is made entirely of green 2 mm diameter crystals that have a hardness of 6.5 and show fracture?
The rock you are describing is likely a type of peridotite, specifically composed of olivine crystals. Olivine is commonly green, has a hardness of around 6.5 on the Mohs scale, and can exhibit a conchoidal fracture. This non-vesicular rock typically forms in ultramafic igneous environments, such as the Earth's mantle.
What geometrical shapes show how crystals form?
Crystals form in the shapes of hexagons or six-sided prisms.
Where can one find the rock show?
You can find the rock show online at the Rock Show Band website. Alternatively, you can find videos of The Rock Show band online at the YouTube website.
How can you tell if an igneous rock is formed on the surface of the earth or deep inside it?
An intrusive igneous rock has larger crystals than an extrusive igneous rock. In an extrusive rock the crystals are usually so fined grained that they are not visible by the naked eye. However, the individual crystals in an intrusive igneous rock can be viewed with the naked eye.
Simple particle diagram to show a weathering process?
A simple particle diagram for the weathering process could show a large rock breaking down into smaller particles due to physical weathering, such as freeze-thaw. The diagram would illustrate the rock splitting into smaller pieces as water enters cracks, freezes, and expands, causing the rock to fragment. This process eventually leads to the formation of smaller particles like gravel, sand, and silt as the rock continues to weather over time.
When was The Rock Show created?
The Rock Show was created on 2001-06-25.
How can you tell the difference between an igneous rock that formed above ground and one that formed below?
Igneous rocks that form below ground (intrusive) have larger crystals due to slower cooling, whereas igneous rocks that form above ground (extrusive) have smaller crystals or a glassy texture due to rapid cooling. Additionally, intrusive rocks may show visible layering or bands, while extrusive rocks typically have a more uniform appearance.
