The El Picacho Formation is a geological
formation in
Texas, United States, whose strata date back to the
Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1] The paleosols found here are rich in
clay,
calcite, and
rhizoliths which show that during the Cretaceous period, this fossil formation, just like the neighboring
Javelina Formation and
Aguja Formation, was a fluvial flood plain.[2]
^Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 574-588.
ISBN0-520-24209-2.
^Osmólska, Halszka; Dobson, Peter; Weishampel, David B. (6 November 2004).
The Dinosauria. Berkeley, CA: University of California Press. p. 582.
ISBN9780520242098.
^Osmólska, Halszka; Dobson, Peter; Weishampel, David B. (6 November 2004).
The Dinosauria. Berkeley, CA: University of California Press. p. 582.
ISBN9780520242098.
^Osmólska, Halszka; Dobson, Peter; Weishampel, David B. (6 November 2004).
The Dinosauria. Berkeley, CA: University of California Press. p. 582.
ISBN9780520242098.
^Osmólska, Halszka; Dobson, Peter; Weishampel, David B. (6 November 2004).
The Dinosauria. Berkeley, CA: University of California Press. p. 582.
ISBN9780520242098.
^Osmólska, Halszka; Dobson, Peter; Weishampel, David B. (6 November 2004).
The Dinosauria. Berkeley, CA: University of California Press. p. 582.
ISBN9780520242098.