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If you can find an open piece of dirt, you can find rocks. All rocks fallinto those three categories. If you find a flat, smooth piece of rock, you might have found slate, a metamorphic rock. However, most metamorphic rocks are hard to find in the New York area, as there are few plate tectonics in these parts. Anyhow, look for rocks and use this rock key: http://www.rockhounds.com/rockshop/rockkey/index.html
One can find information on metamorphic rocks in any Geology book. One can also find information on metamorphic rocks online on Wikipedia, Library Think Quest and Science Kids New Zealand websites.
metamorphic rocks.
I think you are looking for the term "Metamorphic".
Yes, when the metamorphic rock melts and becomes magma there is a chance that it can become a new type of rock.
Igneous-sedimentary weathering/erosion Igneous-Metamorphic high pressure and heat
Raymond Fortuna has written: 'Muscovite geothermometry in metamorphic rocks from southwest New Hampshire' -- subject(s): Geology, Metamorphic Rocks, Mica, Rocks, Metamorphic
All three types of rock can be formed from pre-existing rock.
Any type of rock can become metamorphic.
In a rock shop.
what rocks are in new york
Extreme heat and pressure, like that of coal turning to diamonds. Metamorphic rocks, in turn, are then broken down or turned into molten rock, so new sedimentary, igneous, or metamorphic rocks can form.