Welcome to Country Auto Sales. We are a full service Massachusetts used car dealer located in Southwick serving the towns of Hampden County, Springfield MA, Worcester MA, Boston MA, Westfield MA, Agawam MA, West Springfield MA, Longmeadow MA, Springfield MA, Chicopee MA, Windsor Locks CT, Holyoke MA, East Longmeadow MA, Easthampton MA, Ludlow MA, South Hadley MA, Somers CT, Wilbraham MA and Ellington CT.
Clastic sedimentary rocks form when individual grains (the sediment), made by fragments of rocks, minerals, or shells, are cemented together (the clastic sediemntary rock). These are the only type of rock that is NOT made simply of crystals, but rather fragments of other materials, broken and then reassembled together.
Lesson Summary. Sedimentary rocks are made of rock or mineral fragments deposited in layers by water, wind or ice at the earth's surface. Individual grains, or clasts, are bound together by compaction or cementation, or both.Clastic rocks are made from weathered rock debris.hey're one of the three types of rocks (the other two being igneous and metamorphic), and are the rocks formed by processes acting on the earth's surface. Sediment refers to particles, or grains, of weathered rock or mineral debris.