Hypotheses Paleontological Museum in Tocuila
mammoth skull.
the mode of accumulation of remains still uncertain. nevertheless, there several hypotheses try explain it. first studies discussed possibility mammoths trapped flow of ancient river, or mudflow (lahar). claus siebe, peter schaaf , jaime urrutia-fucugauchi propose lahar originated popocatépetl volcano, while research of s. gonzalez, d. huddart, l. morett-alatorre, j. arroyo-cabrales , o.j. polaco presents prove lahar caused nevado de toluca.
j. arroyo-cabrales, e. johnson , l. morett analyzed fractured bones found in area, , concluded there human activity engaged in bone quarrying efforts produce cores , flakes future use, similar bone technology seen in north america in late pleistocene manufacture tools.
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