|
It all comes down to how the rock is made. ... Why are sedimentary rocks fossils? Sedimentary and metamorphic rocks? What sort of rocks contain fossils? Can fossils be classified as rocks? Which rocks do not contain fossils?
|
wiki.answers.com/Q/How_come_all_fossils_are_found_in_se...
wiki.answers.com/Q/How_come_all_fossils_are_found_in_sedimentary_rocks_and_not_in_metamorphic_or_igneous_rocks
|
|
|
|
Yes. Cleavage (referring to rocks) is the tendency to break along its crystal planes, thus reflecting it's mineralogy. Not all... ... ; Is it possible for a parent rock to change into more than one type of metamorphic rock? ... ; Why do some rocks contain fossils?
|
wiki.answers.com/Q/FAQ/456-46
|
|
|
Metamorphic rock - Wikipedia, the free encyclopedia
|
|
Metamorphic rock is the result of the transformation of an existing rock type, the protolith , in a process called metamorphism, which means "change in form". The protolith is subjected to heat and...
en.wikipedia.org/wiki/Metamorphic_rock
|
|
Although most of Maine today is made up of metamorphic and igneous rocks which do not contain fossils, the chance eruption of a volcano 390 milliion years ago, during the Devonian Period, led to the ashfall preservation of a large colony of Pertica specimens.
|
www.statefossils.com/me/me.html
www.statefossils.com/me/me.html
|
|
The story of a rock is not a simple journey at all. Rocks are a bit ... Sedimentary rocks sometimes contain fossils which are the key to our past. You can only find fossils in sedimentary rocks because they do not get hot enough to destroy them. ... This Magma morphs this rock into a completely different one called metamorphic.
|
www.danthegardener.co.uk/the-rock-cycle.htm
www.danthegardener.co.uk/the-rock-cycle.htm
|
|
4) Any rock (igneous, sedimentary, or metamorphic) exposed at the Earth's surface can become ... 6) These particles eventually come to rest (deposited) and become hard rock ... 9) Any rock (igneous, sedimentary, or metamorphic) can become a...
|
www.teacherstech.org/salvagno/fact%20sheets/24.htm
|
|
Igneous Rock Sedimentary Rock Metamorphic Rock ... Grains: Grains that are not crystals in rock do not have flat shiny faces. They are rounded, like grain of sand, or jagged, like a piece of broken rock.
|
www.rockhounds.com/rockshop/rockkey/index.html
www.rockhounds.com/rockshop/rockkey/index.html
|
|
Most people struggle with terms like metamorphic, sedimentary, igneous, and rock cycle, and why not, these are terms that scientists use in the field of geology. It’s important to know these terms for sure, but you can still enjoy, collect,, and appreciate rocks, minerals, and fossils.
|
www.rocksmineralsandfossilsforkids.com/
www.rocksmineralsandfossilsforkids.com/
|
|
a rock unit that does not contain fossils an erosional surface between igneous and metamorphic rocks an erosional surface between horizontal sedimentary rocks an erosional surface between different rock types;
|
www.uh.edu/~jbutler/physical/chap9mult.html
|
|
