ESC 1000- Final Exam Guide - Comprehensive Notes for the exam ( 65 pages long!)
Document Summary
Study guide most common cements, how to identify them. Calcite cement will effervesce(fizz) in contact with dilute hydrochloric acid. Silica is the hardest cement and thus produces the hardest sedimentary rocks. 2. it is form sedimentary rocks that geologists reconstruct many details of earth"s history. 3. important economically sedimentary indicates the nature of rocks types of sedimentary rocks: detritus--sediments may originate as solid particles from weathered rocks (detrital sedimentary rocks) 2. chemical sedimentary rocks and biochemical sedimentary rocks. detrital rocks the solid products of weathering chemical sedimentary rocks & biochemical sedimentary rocks derived from material (ions) carried in solution to lakes and seas. The dissolved matter precipitates to form chemical sediments. Clay minerals are the most abundant product of the chemical weathering of silicate minerals, especially the feldspars. Quartz is abundant because it is extremely durable and vey resistant to chemical weathering.
