BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 195 
Weed, Walter Harvey — Continued. 
2501. The copper mines of the United States. — Mm. and Sci. Press, vol. 93, 
pp. 484-185, 1 fig., October 20, 1900. 
Includes notes on the geologic occurrence of copper ores. 
2502. The copper mines of the world. — New York, Hill Publishing Company, 
1907. 375 pp., 159 figs. 
Includes accounts of the copper districts of the United States, Canada, and Mexico. 
2503. Mutual displacement by intersecting veins. — Eng. and Min. Jour., vol. 
83, pp. 1145-1146, 4 figs., June 15, 1907. 
Weed, Walter Harvey, and Watson, Thomas Leonard. 
2504. The Virginia copper deposits. — Econ. Geology, vol. 1, no. 4, pp. 309- 
330, 10 figs., 19(16. 
Describes the distribution of copper deposits in Virginia, the character of the deposits 
and associated rocks, and the origin of the ores. 
Weeks, Fred Boughton. 
2505. Bibliography and index of North American geology, paleontology, 
petrology, and mineralogy for the years 1901-1905, inclusive. — U. S. Geol. Sur- 
vey, Bull. no. 301, 770 pp., 1906. 
2506. Stratigraphy and structure of the Uinta Range.— Geol. Soc. America, 
Bull., vol. 18, pp. 427-448, 6 pis., 3 figs., November, 1907. 
Describes the occurrence and relations of pre-Cambrian, Paleozoic, Mesozoic, and 
Tertiary formations, and the geologic structure of the region. 
Weeks, F. B., and Ferrier, W. F. 
2507. Phosphate deposits in western United States. — U. S. Geol. Survey, Bull. 
no. 315, pp. 449-462, 1 pi., 3 figs., 1907. Abstract: Science, new ser., vol. 25, pp. 
620-621, April 19, 1907. 
Wegener, Georg. 
2508. Einige neue Aufnahmen vom Mont Pele. — Gesell. f. Erdk. zu Berlin, 
Zeitschr., 1903, no. 6, pp. 431-433, 4 pis., 1903. 
Describes observations made upon Mont Pele in March, 1 !M>.">. 
2509. Am Mont Pele im Marz, 1903.— Geog. Zeitschr., Jg. 9, Heft. 10, pp. 545- 
559, October, 1903. 
Describes observations on Mont Pele in March, 1903. 
2510. Reisen im Westindischen Mittelmeer. Fahrten und Studien in den 
Antillen, Colombia, Panama, and Costarica im Jahre 1903. Zweite Auflage. 
Berlin, Allgemeiner Verein fur Deutsche Literatur, 1904. 302 pp., 45 figs. 
An account of travels in the West Indies and Central America. Includes notes on the 
physiography of the regions visited and a description of Mont Pele on the Island of 
Martinique. 
Weidman, Samuel. 
2511. Irvingite, a new variety of lithia-mica. — Am. Jour. Sci., 4th ser., vol. 
23, pp. 151-154, June, 1907. 
2512. The geology of north central Wisconsin. — Wisconsin Geol. and Nat. 
Hist. Survey. Bull. no. It;, 697 pp., 76 pis. (inch maps), 38 figs., 1907. 
Describes in detail the distribution, relations, and petrographic characters of pre- 
Cambrian sedimentary ami igneous intrusive rocks and of Cambrian strata, the glacial 
geology, and (he physiography of the area. 
Weidman, Samuel, and Lenher, Victor. 
2513. Marignacite, a now variety of pyrochloro'froni Wausau, Wisconsin. — 
Am. .lour. Sci., 4th ser., vol. 23, pp. 287-292, 3 figs., April, 1907. 
Describes the characters and composition of this mineral occurring in a quart /.-bear- 
ing pegmatite from northern Wisconsin. 
