. Acta Academiae Aboensis. Science; Mathematics. HISTORICAL REVIEW 7 The pioneer investigator in the named regions was the german Dr A. Stelz ner (1876—85)^ a late professor of geology at the Uni- versity of Cordoba. During the summer 1871—1872 he traversed the province of Catamarca (in the N) and arrived also southward to the Nevado de Famatina with the purpose of making a slight investi- gation in all the mining fields here. During this trip Stelz ner made an important discovery. In Potrero de los Angulos, on the. Fig. 2. The Morro alto de Cordobés (about 4300 m.), Sierra de Umango ridge, se
. Acta Academiae Aboensis. Science; Mathematics. HISTORICAL REVIEW 7 The pioneer investigator in the named regions was the german Dr A. Stelz ner (1876—85)^ a late professor of geology at the Uni- versity of Cordoba. During the summer 1871—1872 he traversed the province of Catamarca (in the N) and arrived also southward to the Nevado de Famatina with the purpose of making a slight investi- gation in all the mining fields here. During this trip Stelz ner made an important discovery. In Potrero de los Angulos, on the. Fig. 2. The Morro alto de Cordobés (about 4300 m.), Sierra de Umango ridge, seen from the south. The eastward dipping lines indicate the zone of lusterlng mica schists (see pag. 17). eastern side of the mountain he found fossiliferous schists of silurian age. The fossils were later described by E. Kay ser (see later on). In his report Stelzner says, that the Nevado de Famatina differs from the so called „Sierras pampeanas" by the absence of gneissic rocks and by the predominance of slaty and quarzitic schists, further by more clastic members, having in common only the large granitic bosses. Compare the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Åbo akademi (1918- ). Åbo : Åbo akademi
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