Abstract: A cleaning composition and method for the removal of contaminants, such as, oil and grease from a surface, particularly concrete and asphalt. The composition includes an absorptive material, charcoal, and a pH modifying agent which is applied and removed in a dry form.
Sedimentary rocks form when particles of sediment are deposited by water or wind, and then (in most cases) hardened or consolidated through time. Shale, sandstone, and limestone are types of sedimentary rocks that often contain fossils.ven though a relatively small proportion of plants and animals that live are preserved as fossils, because so many animals live and die, and because sedimentary rock is very common, finding fossiliferous (fossil-bearing) rocks is not very difficult.
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 orga â¦ nisms can become sediments which may, under the right conditions, become sedimentary rock.Metamorphic rocks are other rock types that are changed by heat and  pressure; their transformation and mineral reorganization causes  very few fossils to be found there. Sedimentary rock can be formed  from the accumulation of sediments and are often formed near  ancient shores, basins, and lake beds.