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Geologic Map Of Georgia
Geologic mapping of Georgia is the creation of geologic maps, special-purpose maps made to show geological features, of the State of Georgia in the United States. Rock units or geologic strata are shown by colors or symbols to indicate where they are exposed at the surface. Structural features such as faults and shear zones are also shown. Since the first national geological map, in 1809, there have been numerous maps which included the geology of Georgia. The first Georgia-specific geologic map was created in 1825. The most recent state-produced geologic map of Georgia, by the Georgia Department of Natural Resources is 1:500,000 scale, and was created in 1976 by the department's Georgia Geological Survey. It was generated from a base map produced by the United States Geological Survey. The state geologist and Director of the Geological Survey of Georgia was Sam M. Pickering, Jr. Since 1976, several geological maps of Georgia, featuring the state's five distinct geologic regions, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geologic Map
A geologic map or geological map is a special-purpose map made to show various geological features. Rock units or geologic strata are shown by color or symbols. Bedding planes and structural features such as faults, folds, are shown with strike and dip or trend and plunge symbols which give three-dimensional orientations features. Stratigraphic contour lines may be used to illustrate the surface of a selected stratum illustrating the subsurface topographic trends of the strata. Isopach maps detail the variations in thickness of stratigraphic units. It is not always possible to properly show this when the strata are extremely fractured, mixed, in some discontinuities, or where they are otherwise disturbed. Symbols Lithologies Rock units are typically represented by colors. Instead of (or in addition to) colors, certain symbols can be used. Different geologic mapping agencies and authorities have different standards for the colors and symbols to be used for rocks of differ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Smith (geologist)
William 'Strata' Smith (23 March 1769 – 28 August 1839) was an English geologist, credited with creating the first detailed, nationwide geological map of any country. At the time his map was first published he was overlooked by the scientific community; his relatively humble education and family connections prevented him from mixing easily in learned society. Financially ruined, Smith spent time in debtors' prison. It was only late in his life that Smith received recognition for his accomplishments, and became known as the "Father of English Geology". Early life Smith was born in the village of Churchill, Oxfordshire, the son of John Smith (1735–1777), the village blacksmith, and his wife Ann (''née'' Smith; 1745–1807). His father died when he was eight years old, and he and his siblings were raised by his uncle, a farmer also named William Smith. Largely self-educated, Smith was intelligent and observant, read widely from an early age, and with an aptitude for mathem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bailey Willis
Bailey Willis (March 31, 1857 in Idle Wild-on-Hudson, New York, United States – February 19, 1949 in Palo Alto, California) was a geological engineer who worked for the United States Geological Survey (USGS), and lectured at two prominent American universities. He also played a key role in getting Mount Rainier designated as a national park in 1899. After later focusing more on seismology, he became one of the world's leading earthquake experts of his time. Early life and family Bailey Willis was born March 31, 1857, the son of poet and publisher Nathaniel Parker Willis and Cornelia Grinnell Willis. His brother was Grinnell Willis. His father died when he was only ten years old. At the age of thirteen he was taken to England and Germany for four years of schooling, and thus acquired fluency in German at a time when many scientific texts were only available in that language. He entered Columbia University and in five years completed his studies with the degrees of mechanical ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William John McGee
William John McGee, LL.D. (April 17, 1853 – September 4, 1912) was an American inventor, geologist, anthropologist, and ethnologist, born in Farley, Iowa. Biography While largely self-taught, McGee attended a rural one-room schoolhouse north of Farley during the four winter months from about 1858 to 1867. with He devoted his early years to reading law and to surveying. He invented and patented several improvements on agricultural implements. He subsequently turned his attention to geology. In 1877–1881, he executed a topographic and geological survey of 17,000 square miles (44,030 km2) in northeastern Iowa. He then undertook an examination of the loess of the Mississippi Valley, researched the great Quaternary lakes of Nevada and California and studied a recent fault movement in the middle Atlantic slope. He was appointed geologist for the United States Geological Survey (USGS) in 1881. In 1884 McGee authored the article ''Map of the United States exhibiting the prese ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frank Howe Bradley
Frank Howe Bradley (September 20, 1838 – March 27, 1879) was an American geologist. Bradley, son of Abijah and Eliza Collis (Townsend) Bradley, was born in New Haven, Conn., September 20, 1838 He graduated from Yale College in 1863. Through his undergraduate course he was partially employed in teaching in Gen. Russel's Collegiate and Commercial Institute in New Haven, at which school he was himself fitted for college. In the year 1863-4 he taught in Hartford, Conn., and spent the next year as a student in the Chemical Laboratory of the Sheffield Scientific School. His tastes early led him to the study of geology, and up to this time his vacations had been largely spent in the field in making collections of fossils. In the summer of 1865 he went to the Isthmus of Darien, and spent a year in that vicinity, obtaining large collections of corals and other zoological specimens, partly for the Yale Museum. During 1867 and 1868, he was assistant geologist in the Illinois survey, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
