. Bulletins of American paleontology. Text-figure 36.âArroyo la Miiela. north of Toiios Santos. where the weathered .Salada Formation forms pink, green, and brown badlands topography. Arrow nidicates level of the beneh where ma- rine fossils are found iTe\t-ti;;. .^7). [^holo. T. M. Cronin. | â¢/ â T.'fv:- Text-figure 37.âSalada Formation, coquina and sandstone faeies in one-meter-high beneh at the base of la Loma el Bayo Flojo. Photo. T M. Cronin. 19X4. by lnosely ctinsolidated marine and nonmarine arkosic sediments. Seveial t'acies of the unit, whose base is iu)t exposed, extend
. Bulletins of American paleontology. Text-figure 36.âArroyo la Miiela. north of Toiios Santos. where the weathered .Salada Formation forms pink, green, and brown badlands topography. Arrow nidicates level of the beneh where ma- rine fossils are found iTe\t-ti;;. .^7). [^holo. T. M. Cronin. | â¢/ â T.'fv:- Text-figure 37.âSalada Formation, coquina and sandstone faeies in one-meter-high beneh at the base of la Loma el Bayo Flojo. Photo. T M. Cronin. 19X4. by lnosely ctinsolidated marine and nonmarine arkosic sediments. Seveial t'acies of the unit, whose base is iu)t exposed, extend perhaps I ..'^ km along the arroyo at the base of a ridge known as la loma El Bayo FloJo (Text-tig. .36), A northwest-trending normal fault of the Vinateri'a-La Matan/.a Fault .System forms the m^rth- eastern contact between the .Salada Formation and Ho- locene gravels (Aranda-Gome/ and Perez-Venzor. 1989: tigs, 3. 21). Sehwennicke (written communieation. 1999) esti- mated a thickness of 36 m for the sequence of green- ish, pink, and brown mottled siltstone. well-indurated limy saiidstone and conglomerate, and Hne-graincd, loosely consolidated, granitic sandstone with angular pebbles and weathered phenocrysts. The rocks dip 5 west-southwest and weather to pink and green bad- lands tt)pography, Megafossils are mainly internal iTiolds of bivalves and gastropod shells replaced by calcite: they commonly weather out on the surface of a meter-high bench (Text-hg, 37). Shallow-water gas- tropods inckide Aniiircclonicci nohilis Roding. Tiirri- icllii cihni/Uii frcclcdi Hodson, CancelUiria (Pymvlici) iliaclcla Woodring, Cyumi sp, cf, C. inichoacaneiLsis Peirilliat, Plios sp, cf, P. crassits Hinds, and Vasiini luiitciisc (St)werby); vertebrates are represented by shaik teeth, myliobatid ray plates, whale teeth, and a camelid humerus (J. T, Smith, 1992). Ai^e unci corrcUitiim of the Suhula FdiDuifion In Ar- royo la Muela.âThe beds were regarded as Pliocene by Beat (1948) and Plio-P
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