Bulletin of the Geological Society of America Volume 30 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 Excerpt: ...the efflorescence is scraped from rock surfaces on which it is formed by evaporation.79 L. Lombard: Revlsta Industrial de Minas Geraes, vol. v, pp. 6-7. Ouro Preto, 20 de Junho de 1897. On Ilha Rapta, one of the islands forming the Fernando de Noronha group, are limited phosphate deposits that attracted considerable attention at one time. Analyses of the materials are given by Lima Jose Ig. d'Abreu and by Lasne. Attempts were made to export these phosphates, but, owing to the difficulty of loading them, the enterprise was soon abandoned. Geologic Map of Pernambuco Branner, 1902.--A geologic sketch-map of "the region about Pernambuco" forms plate 11 of Branner's paper on the geology of the northeast coast of Brazil (opposite page 62 of volume 13, Bulletin of the Geological Society of America, 1902). It is on a scale of 1 to 1,000,000 and shows only two divisions--the Archean and the Tertiary. The geology of the extreme western end of the state is shown on the map accompanying Small's Geologia e supprimento d'agua... no Piauhy, publicacao 32, da Inspectoria de Obras Contra as Seccas, Rio de Janeiro. 1914. Bibliography of the Geology of Pernambuco 3 C. Branner: Notes on the islands of Fernando de Noronha. American Naturalist, volume XXII. October, 1888, pages 861-871, 8. Philadelphia. 1888. J C. Branner: The aeolian sandstone of Fernando de Noronha. American Journal of Science. April, 1890, volume XXXIX. pages 247-257. New Haven. 1890. J C. Branner: The geology of Fernando de Noronha. Tart I. (For Part II, see G. H. Williams.) American Journal of Science, volume XXXVII. pages 145-161. New Haven, 1889. J C. Branner: Geologia de Fernando de Noronha. Revista do Instituto Ar cheologico e Geographico Pernambucano, Abril de 1890. paginas 20-22. Pernambuco, ...