Mapoteca Geologica Americana: A Catalogue of Geological Maps of America (North and South) 1752-1881, in Geographic and Chronologic Order, Թողարկում 7U.S. Government Printing Office, 1885 - 184 էջ |
From inside the book
Արդյունքներ 100–ի 1-ից 5-ը:
Էջ 201
... present are not easily represented by figures . At the lower half of Fig . 1 , Plate VI , an attempt is made to represent the Huronian quartz- schist from near Marquette . The section is drawn as seen in the po- larized light and is ...
... present are not easily represented by figures . At the lower half of Fig . 1 , Plate VI , an attempt is made to represent the Huronian quartz- schist from near Marquette . The section is drawn as seen in the po- larized light and is ...
Էջ 203
... present indications . of similar enlargement.9 The complex character of these rocks , the metasomatic alteration which they have undergone , their dark color , and the siliceous paste by which they have been permeated , place them among ...
... present indications . of similar enlargement.9 The complex character of these rocks , the metasomatic alteration which they have undergone , their dark color , and the siliceous paste by which they have been permeated , place them among ...
Էջ 205
... present connection . At times these cherts are for a considerable thickness wholly composed of chalcedonic silica , but in other cases they contain fragments of quartz , in smaller or greater quantities , up to a predominating amount ...
... present connection . At times these cherts are for a considerable thickness wholly composed of chalcedonic silica , but in other cases they contain fragments of quartz , in smaller or greater quantities , up to a predominating amount ...
Էջ 205
... present connection . At times these cherts are for a considerable thickness wholly composed of chalcedonic silica , but in other cases they contain fragments of quartz , in smaller or greater quantities , up to a predominating amount ...
... present connection . At times these cherts are for a considerable thickness wholly composed of chalcedonic silica , but in other cases they contain fragments of quartz , in smaller or greater quantities , up to a predominating amount ...
Էջ 206
... present interstitially kaolin , chlorite , and oxide of iron , but only a very little fine secondary quartz . ( Slide 1224. ) 6. South side Campement d'Ours Island , Lake Huron . " Upper Slate Conglomerate . " ) ( Logan's " 3f , " A ...
... present interstitially kaolin , chlorite , and oxide of iron , but only a very little fine secondary quartz . ( Slide 1224. ) 6. South side Campement d'Ours Island , Lake Huron . " Upper Slate Conglomerate . " ) ( Logan's " 3f , " A ...
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Common terms and phrases
Accompanying 2d Geol Accompanying Geological survey Accompanying Report Accompanying Wisconsin geological Amer America annual report areas Ashland County atlas Basin Black etching boundary line Canada Carolina Carte géologique cent chlorite coal fields color Colorado commissioners County crystals deposited district east fauna feldspar folio fossil furrow genus geological indications Geological map glabella grains Harrisburg Hartt Huronian inch indurated Island Journ Jules Lahontan Lake Huron Lake Superior longitude Marcou Massachusetts Matthew meridian Michigan middle miles mineral Minnesota Mississippi Missouri monument Nevada north latitude Nova Scotia O. C. Marsh original Paradoxides parallel Pennsylvania Plate portion Ptychoparia pygidium Pyramid Lake quartz quartz fragments quartzite Report of progress River rocks rods Saint John Saint John formation sandstone Scale sheets showing SiO2 Slide species specimens Surv Territory thence south thinolite Total solids tufa U. S. Geol Utah Vide Virginia vitreous quartzite Washington Wisconsin Wisconsin geological survey York
Սիրված հատվածներ
Էջ 490 - Pennsylvania, and the said territorial line; provided however, and it is further understood and declared, that the boundaries of these three states shall be subject so far to be altered, that, if congress shall hereafter find it expedient, they shall have authority to form one or two states in that part of the said territory which lies north of an east and west line drawn through the southerly bend or extreme of lake Michigan.
Էջ 578 - Moines; thence, down, and along the middle of the main channel of the said river Des Moines, to the mouth of the same, where it empties into the Mississippi river; thence, due east, to the middle of the main channel of the Mississippi river; thence, down, and following the course of the Mississippi river, in the middle of the main channel thereof, to the place of beginning.
Էջ 572 - Miami aforesaid; and on the north by an east and west line drawn through the southerly extreme of Lake Michigan, running east, after intersecting the due north line aforesaid from the mouth of the Great Miami, until it shall intersect Lake Erie, or the territorial line, and thence with the same, through Lake Erie, to the Pennsylvania line...
Էջ 484 - ... to the point where it strikes the southern boundary of New Mexico; thence, westwardly, along the whole southern boundary of New Mexico (which runs north of the town called Paso) to its western termination; thence, northward, along the western line of New Mexico, until it intersects the first branch of the river Gila; (or if it should not intersect any branch of that river, then to the point on the said line nearest to such branch, and thence in a direct line to the same;) thence down the middle...
Էջ 480 - Majesty shall be continued westward along the said fortyninth parallel of north latitude to the middle of the channel which separates the continent from Vancouver's Island, and thence southerly through the middle of the said chanJO nel, and of Fuca's Straits, to the Pacific Ocean...
Էջ 484 - ... said river, until it empties into the Rio Colorado ; thence across the Rio Colorado, following the division line between Upper and Lower California, to the Pacific Ocean. The southern and western limits of New Mexico, mentioned in this article, are those laid down in the map entitled " Map of the United Mexican States, as organized and defined by various acts of the Congress of said republic, and constructed according to the best authorities. Revised edition. Published at New York in 1847, by...
Էջ 472 - The southern boundary of the United States, which divides their territory from the Spanish colonies of East and West Florida, shall be designated by a line beginning on the River Mississippi, at the northernmost part of the thirty-first degree of latitude north of the equator, which from thence shall be drawn due east to the middle of the River Appalachicola...
Էջ 574 - That the said state shall consist of all the territory included within the following boundaries, to wit: bounded on the east, by the meridian line which forms the western boundary of the state of Ohio...
Էջ 471 - St. Croix River to the highlands; along the said highlands which divide those rivers that empty themselves into the river St. Lawrence, from those which fall into the Atlantic Ocean, to the northwesternmost head of Connecticut River...
Էջ 490 - The middle state shall be bounded by the said direct line, the Wabash from post Vincents to the Ohio ; by the Ohio, by a direct line drawn due north from the mouth of the Great Miami to the said territorial line, and by the said territorial line.