Search results
Results from the WOW.Com Content Network
The Pennsylvania Geological Survey, or Bureau of Topographic and Geologic Survey (BTGS), is a geological survey enacted by the Pennsylvania General Assembly "to serve the citizens of Pennsylvania by collecting, preserving, and disseminating impartial information on the Commonwealth's geology, geologic resources, and topography in order to contribute to the understanding, wise use, and ...
Anna Isabel Jonas Stose (August 17, 1881 – October 27, 1974) [2] was a major geological pioneer, who worked for the American Museum of Natural History, Maryland Geological Survey, Pennsylvania Geological Survey, Virginia Geological Survey, and the United States Geological Survey. [3]
Richardson adopted Campbell's unique field methodology and the two became lifelong friends. Richardson was assigned the Indiana quadrangle, which is about 235 square miles. In two and a half months, he discovered that the so-called (by the Second Pennsylvania Geological Survey) "Indiana anticline" is a syncline. [4]
Anita Gloria Fishman Harris Epstein (July 10, 1937 – July 12, 2014) was an American geologist, paleontologist, and mapmaker. She devised the Conodont Alteration Index, a method of determining the heat exposure of buried rock, by analyzing conodont fossils.
The top plate illustrates the tectonic setting for the sediments of Pennsylvania. This section is characterized by the metamorphic rocks that provide much of the bedrock for this area. The oldest exposed rocks in Pennsylvania are found here and consist of the Baltimore Gneiss. [8] These rocks have a complex history and a vast array of different ...
The Allegheny Group, often termed the Allegheny Formation, [2] is a Pennsylvanian-age geological unit in the Appalachian Plateau.It is a major coal-bearing unit in the eastern United States, extending through western and central Pennsylvania, western Maryland and West Virginia, and southeastern Ohio.
The grave of Henry Darwin Rogers, Dean Cemetery Henry Darwin Rogers FRS FRSE LLD (1 August 1808 – 26 May 1866) was an American geologist. His book, The Geology of Pennsylvania: A Government Survey (1858), was regarded as one of the most important publications on American geology issued up to that point.
During 1873–74 and from 1878 to 1880 he was geologist for the United States Geological Survey. He also served on the Pennsylvania Geological Survey from 1875 to 1878 and from 1881 to 1882. He was president of the Geological Society of America in 1898. [2] He died in New Canaan, Connecticut on August 10, 1924. [3]