'; ?>
click to enlarge
P 206 PROFILE GC P 207 REGION OF PICO SALAMANCA This region was studied especially in five typical locations (others by reconnaissance) 1. Vicinity of Punta Peligro. 2. Property of Compania Carmen de Petrolco. 3. Nr. Pico Chico, N. of Pico Salamanca. 4. Coast south of Pico Salamanca 5. S. W. of Pico Salamanca & N. W. of Bahia Salano. The beds have a very gentle southward dip. At Punta Peligro the upper Salamanqueano is exposed and more inland the whole series to lower Pataganiano. The Salamanqueano disappears immediately south of here. / At localities just south of the peak the terrestrial tuffs and underlying sandstones and clays are exposed. The pass soon below sea level and do not appear on the south side of the Solano emboyment. The tuffs continue southward until their top disappears beneath the tide level immediately north of Comoduro. Between Comoduro and the vicinity of Punta Casamayor, far south, the oldest rocks are of the Patagoniano. In the Pico Salamanca region there are five chief series distinguishable, in ascending order: 1. Lower Patagoniano or Juliense, Marine tuffs & sandstones with Ostrea Hatchers and many other molluscs etc. 2. 300'-400' of tuffs and tuffaceous clays without sand or gravel & white or pale yellowish, pinkish, buff in color. The upper 100'-200'very massive and barren so far as observed. The rest somewhat faintly stratified and generally with