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How long does it take rocks to form?
Some extrusive rocks such as lava and ejecta form in minutes. Stalactites may form in a few tens of years, but commonly longer. Other rocks may take millions of years, and may have to be recycled through metamorphism to attain their final form.
What the geologic time scale?
The geologic time scale is the system of chronology that organizes the Earth's history based on stratigraphy, or the study of Earth's rock layers and their ages. The geologic time scale is divided into several spans of time. From longest to shortest they are: Eons, eras, periods, epochs, and ages.
How long does it take for a metamorphic rock to turn into a igneous rock?
Sedimentary rock metamorphosis can occur very rapidly ( in geologic terms) as is the case with skarn, a contact metamorphic rock, or quite slowly as is the case with slate, which has proceeded through metamorphism in stages from mud to mudstone to shale to slate, a process taking millions of years.
What is a spiral updraft?
A spiral updraught is a thermal (rising column of warm air) in which a bird, hand-glider or glider will circle (spiral) round in to take full advantage of the rising warm air.
How long does it take to turn limestone into marble?
Marble is a metamorphic rock with a parent rock of limestone or dolostone and is formed by natural processes by heat and pressure. The heat may be derived by proximity to a magmatic intrusion or from depth of burial.
Where does dynamic metamorphism take place?
a volcano ?
What type of rock can only form deeply underground?
Only an intrusive igneous rock forms underground, but you can argue that all metamorphism occurs underground. The issue here is that when the metamorphism is thermal, often the ground it is under has only just been formed (i.e. a lava flow). To avoid confusion, only regional metamorphism can take place underground. The rocks formed by regional metamorphism and intrusive magma cooling are rocks with crystalline texture.
Does Metamorphisn take place in the solid state with or without fluid activity?
Metamorphism can take place in a solid state. The metamorphism can take place with or without any types of fluid activity, although, the majority is done with fluid activity.
Where does metamorphism take place?
Most metamorphism takes place deep underground, where high heat and pressure change the rocks, since both increase with depth.
Where do most metamorphism processes take place?
Deep underground from heat and pressure.
Where does metamorphism most take place?
Most metamorphism takes place deep underground, where high heat and pressure change the rocks, since both increase with depth.
What is diagenesis?
•Geochemical, physical, and mineralogic (textural) changes that take place after burial of sediment -Not weathering -Not metamorphism/metasomatism
Where did the setting of the book Little Women take place?
Where did the setting of the book "Little women" take place?
What materials does thermal transfer by convection take place in?
Convection
What energy conversion take place in a handwarmer?
chemical to thermal
Where did the setting take place?
The setting took place in a small coastal town.
It would take more thermal energy to heat up what kind of pan of water than another?
A bigger pan would take more thermal energy than in a small pan
