REFLECT & DISCUSS Roks are made of the materials listed below and described within the chapt Examine h of the specimen photographs in Fig A431 and, asing the following teres, list every kind of material it contains in the space below cach photograph Be preparod to compare your observations with the observations of others in your class intergrown mineral grains clastic (detrital) grains st & clay gravel glass fossils (hioclasts) sand

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