Boone Creek limestone, 5+/- feet thick, is in Palo Pinto formation, and Willow Point limestone is in Graford formation, 40+/- feet above Bridgeport coal. [Age is Pennsylvanian.]
Source: US geologic names lexicon (USGS Bull. 896, p. 236-237).
Sellards, E.H., 1931, [Discussion in News Letter, September, 1931]: University of Texas-Austin, Bureau of Economic Geology
In Wise County [central northern Texas] the Palo Pinto limestone has been found to be divided into 2 thin limestones separated by shale. The limestones are named Boone Creek and Willow Point. [Age is Pennsylvanian.]
Source: US geologic names lexicon (USGS Bull. 896, p. 236-237).
Pg. 23. Boone Creek limestone included in Palo Pinto formation. [Age is Pennsylvanian.]
Source: US geologic names lexicon (USGS Bull. 896, p. 236-237).
Pg. 105. Boone Creek limestone in Palo Pinto formation, is named from Boone Creek, Jack County, central northern Texas.
[Boone Creek limestone member of Palo Pinto limestone of Pennsylvanian age adopted by the USGS. Recognized in Jack and Wise Counties, Brazos River region, central northern Texas.]
Source: US geologic names lexicon (USGS Bull. 896, p. 236-237).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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