WebDec 3, 2009 · Some examples of sedimentary rocks are sandstone, limestone, shale, conglomerate, and gypsum. Sandstone, for instance, is a result of depositions of sand from beaches and rivers. Web***9. Look at the very first photo in the lecture on weathering and erosion. Behind the title there is a pretty spectacular example of sandstone. How do you think the sandstone came to look the way it does. Weathering and erosion from water snow and ice . Cracks in the rocks form and water gets inside and freezes , causing the cracks to expand ...
Where do geodes come from? - Scienceline
WebJan 23, 2024 · Sandstone also commonly known as arenite is a clastic sedimentary rock composed mainly of sand-sized minerals or rock grains of about 0.05mm to 2cm, matrix, … WebSedimentary rocks are formed from sediments that have settled at the bottom of a lake, sea or ocean, and have been compressed over millions of years. The sediment comes from … byrds creek
Sandstone aquifers U.S. Geological Survey
WebNov 20, 2012 · Geodes can also form in sedimentary rocks such as limestone or sandstone. The cavity in these rocks is usually formed from a solid core. A mass of minerals, or nodule, in the sediment may begin to … WebJul 7, 2024 · Advertisement Sandstone is formed by the cementation of sand grains. Any deposit of sand can be lithified into sandstone. Rivers deposit sand in their channels and wind piles up sand into dunes. Waves deposit sand on the beaches and in shallow water. What type of environment would be needed toRead More → WebApr 17, 2024 · Sandstones are siliciclastic sedimentary rocks that consist mainly of sand-size grains (clast diameters from 2 to 1 / 16 millimetre) either bonded together by … byrds crackers