Among the three major types of rock, fossils are most commonly found in sedimentary rock. Unlike most igneous and metamorphic rocks, sedimentary rocks form at temperatures and pressures that do not destroy fossil remnants.ost sedimentary rocks contain either quartz (especially siliciclastic rocks) or calcite (especially carbonate rocks). In contrast to igneous and metamorphic rocks, a sedimentary rock usually contains very few different major minerals.
How many tons for a 1500 sq ft home. I have been getting bids for an ac unit in my home and I have been getting a range of 3 tons to 3.5 tons. I live in Dallas Texas and my home is pretty well shaded during the days and the majority of my windows face north or south.
One tonne is equivalent to: 1  Metric/SI: 1 megagram (Mg) (by definition). 2  Pounds (lb): Exactly 10000.453 592 37 lb (by definition of the pound), or approximately 7003100000000006859â 2204.622622 lb (10 s.f.). 3  US/Short tons (ST): Exactly 10.907 184 74 short tons, or approximately 7000110231131100000â 1.102311311 ST (10 s.f.).