VIDEO: East Surry top winner as regional schools gather at Elkin High School for JROTC Drills - 2:50 pm. Hampton Inn by Hilton Jonesville/Elkin wins 10th Connie award for excellence - 9:18 am. Nominations requested for the 2017 Salute to Heroes Celebration - 2:27 pm.
exists and is an alternate of . Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form at temperatures and pressures that do not destroy fossil remains. Dead organisms can become sediments which may, under the right conditions, become sedimentary rock. Igneous rock forms from magma; no chance for fossils to form there.
Sedimentary rock is formed from sediment (sand, etc) deposited by water. The creatures that are now fossilised were caught up in the flood and buried. I'm not aware of any fossils found other than in sedimntary rock-except a few in tar pits perhaps.ventually it will decay away, leaving an impression in the surrounding hardened sediment ... and that impression will itself get filled with new sediment ... forming a fossil. * Igneous rocks are formed by volcanic activity ... the hardening of magma or lava from the volcano.