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What is a fall-out tuff?
Fall-out tuff is a volcanic deposit formed from ash and lapilli that fall out of the eruption plume of a volcano. This is opposed to tuff formed by pyroclastic flows.
Is tuff formed in the oceanic crust?
Tuff is generally formed from volcanic ash ejected during explosive volcanic eruptions. While some tuff deposits can be found in oceanic crust areas due to subduction zone volcanism, they are more commonly associated with volcanic activity on land.
Is Tuff a gemstone?
No. Tuff is a type of rock formed from volcanic ash. It does not have any gemlike qualities.
Is tuff an extrusive igneous rock?
Yes. Tuff is an extrusive igneous rock formed by explosive volcanic eruptions.
What the difference between sandstone and tuff?
Sandstone is a sedimentary rock formed when sand weathered from preexisting rock is cemented together. Tuff is an igneous rock formed from volcanic ash.
How are tuff rings formed?
Tuff rings and tuff cones are small volcanoes produced by explosive magma-water interactions and have been regarded as resulting from relatively dry and wet eruptions.
Can you spell tough tuff?
No. Tuff is its own word, referring to a kind of rock fromed from volcanic ash.
Does tuff have crystals?
In some cases it does contain crystals that formed prior to the eruption.
Is tuff an igneous rock?
Yes, tuff is an igneous rock. It is formed from volcanic ash and other volcanic debris that has been compacted and cemented together.
What is the difference between tough and tuff?
tough meas like strong and tuff means cool or slick
What minerals are in welded tuff?
Welded tuff typically contains minerals such as quartz, feldspar, biotite, and hornblende. The exact mineral composition can vary depending on the specific geologic setting where the welded tuff formed.
What is formed by explosive eruptions by a volcano?
Explosive eruptions will produce pyroclastic rocks such as scoria, pumice, and tuff.
