First Biennial Report of the Progress of the Geological Survey of Michigan: Embracing Observations on the Geology, Zoölogy and Botany of the Lower Peninsula |
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Common terms and phrases
abundant Americana Ann Arbor Antrim arenaceous argillaceous Aster basin beds bituminous Black boring brine bushel calcareous Canadensis Carboniferous Limestone Carex cent Chene clay coal measures colored common Creek depth Detroit Drummond's East Saginaw Emmet formation fossils furnished geological Grand Rapids Grand Traverse Bay Gratiot Gray gypsum Helderberg Herb iron Island Isle Jackson Jackson county Joseph's July June Lake Huron Lake Superior layers lime Little Traverse Bay Locality-Grand Rapids Lower Peninsula Mackinac manufacture Marshall Group Michigan Michx miles Miss Clark Monroe county Muhl northern numerous Nutt Ohio outcrop peat Presqu Prof Pursh quarry Report river rocks S. E. Univ S. W. Wright Saginaw Bay salometer Salt Group sand sandrock Sandstone Saut St seen shale shore of Saginaw Solidago southern species specific gravity specimens stone strata Sub-Family surface survey Thunder Bay tion Torr Traverse City Upper vicinity White Wild Willd
Popular passages
Page 188 - But in the interior countries, the greatest of all luxuries is salt. It would appear strange to a European to see a child suck a piece of rocksalt as if it were sugar. This, however, I have frequently seen ; although, in the inland parts, the poorer class of inhabitants are so very rarely indulged with this precious article, that to say a man eats salt with his victuals is the same as saying he is a rich man.
Page 12 - States, with a a geological and mineralogical survey of the country. This plan was fully set forth in a paper prepared and read by him before the " Association of American Geologists,
Page 8 - Peters and the country situated on the northern boundary of the United States, between the Red River of Hudson's Bay, and Lake Superior.
Page 13 - The surveyors were to be accompanied along the lines by a special barometrical observer. This system had been fairly organized, and the field work of one season nearly completed, when his melancholy death by drowning, occurred during a storm on Lake Superior, near Eagle river, on the night of Oct.
Page 8 - In 1819, General Cass, under the authority of the Secretary of War, directed an exploring expedition which passed along the Southern shore of Lake Superior,"}" and crossed over to the Mississippi. This expedition had among its principal objects, that of investigating the north-western copper mines ; and was accompanied by Mr. HR Schoolcraft in the capacity of mineralogist and geologist. His observations are recorded in his " Narrative Journal of Travels from Detroit, north-west,
Page 13 - According to the plan agreed upon between Dr. Houghton and Mr. Burt, the township lines of the Upper Peninsula were to be run by Mr. Burt, or under his supervision, while the subdivisions were to be made by other deputy surveyors — Dr. Houghton having the especial control of the whole. All rocks crossed by lines were to be examined, specimens taken, and the exact localitj...
Page 124 - ... in a yielding condition; and a couple of grooves parallel to these, seen for a part of the distance like the tracks of the second pair of wheels, greatly confirms the illusion. . The Island of Mackinac shows the most indubitable evidences of the former prevalence of the water, to the height of 250' feet above the present level of the lake; and there has been an unbroken continuance of the same kind of aqueous action from that time during the gradual subsidence of the waters to their present condition....
Page 90 - E, become in places highly ferruginous, and exhibit a tufaceous structure, which is probably a recent change in the rock. In other places it becomes a true breccia, with angular fragments of a brown limestone, held together by a tufaceous cement. Small stalactites are forming in places where the rock overhangs. About 20 rods south from the main bluff, a blue clay is seen at the water's edge, in place of D, the strata, E, being commingled with the subsoil.
Page 11 - Hubbard, 35 pp. containing reports on Lenawee, Hillsdale, Branch, St. Joseph, Cass, Berrien, Washtenaw, Oakland and Livingston Counties, and embracing a systematic description of the various formations and economical products of these Counties ; a notice of the " Ancient Lake Ridge," and numerous practical suggestions on the use of Peat and Marl.
Page 17 - Little more than a year after the suspension of the Survey under Dr. Houghton Congress passed an act, approved March 1, 1847, embracing provisions for the geological exploration of the Lake Superior Land District, organized by the same act. Under this act Dr. CT Jackson was appointed by the Secretary of the Treasury to execute the required survey. After having spent two seasons in the prosecution of this work he...