16. heat and presure acting on igneous rocks forms .
17. in order to form magma ,what must happen to sedementary, metamorphic or igneous rocks?
18.for weathering and erosion to occur, what process will therock usually go through first?
19.can sedimentary rocks form dierectly from a metamorphic rock?explain.
2006-12-10 10:09:30 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology
16. Metamoprhic rock (check the spelling)
17.They must be heated
18.weathering is a form of erosion .
19. yes they can if placed under pressure and heat.
2006-12-10 12:54:42 · answer #1 · answered by Dan 5 · 0⤊ 0⤋
Dungruner is right in most of the answers.
16. Heat and pressure acting on igneous rock may transform it to a metamorphic rock if the heat is up to a limited extent. Beyond this, the temperature rises and the rock melts to form a magma.
17. It has to be heated up beyond its melting point.
18. Generally speaking weathering. Erosion means weathering + transport of the weathered material.
19. Yes it can, if the sed. rock is subjected to a rise in pressure &/or temperature. This way we get marble from limestone, phyllite and schists from pelitic sediments etc.
2006-12-10 14:31:39 · answer #2 · answered by saudipta c 5 · 0⤊ 0⤋
16. converts into metamorphic rock.
17. They must be subjected to high temperature and pressure.
18. nothing
19. yes, sedimentary rock are fromed from metamorphic rocks.
2006-12-10 22:11:27 · answer #3 · answered by Anonymous · 0⤊ 0⤋
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2016-12-13 06:25:55 · answer #4 · answered by ? 4 · 0⤊ 0⤋
16. i fogot 17.they must heatup to there melting point 18.it will go trough the first part of the rock cycle 19.no, it has to erode first and the sedaMENT HAVE TO GO TROUGH SEDAMATAION
2006-12-10 10:55:04 · answer #5 · answered by another-lonely-shadow 1 · 0⤊ 0⤋
somebody doesn't feel like doing their homework....
2006-12-10 10:14:03 · answer #6 · answered by shesua 2 · 0⤊ 0⤋