When You 1  â¦. Know that a bachelor degree is required for your career. 2  Have already earned more than 60 semester college credits or hold at least one associate degree. 3  Know that a graduate or professional degree will be required for your career.
Shale soils are fine-textured and tend to be acidic and low in nutrients â with largeadditions offertilizer, they are farmed. On mountainsides theyoften support mixed forests.Much of the land overlying shale deposits has been ruinedby strip mining, because shale contains Pennsylvaniaâs rich coalbeds.
Shale is usually found in thin layers. The silt or clay that composes shale is made of very small pieces of weathered rock. The pieces are from 1/16 to 1/256 of a millimeter in diameter. The color of a sample of shale is that of the clay or silt that it was formed from.edimentary rocks are formed in three ways from these different sized sediments. A sedimentary rock is a layered rock that is formed from the compaction, cementation, and the recrystallization of sediments.