Pg. 13, 14. Lime Hill member of Logansport formation. Named in a stratigraphic summary of Louisiana lignite district. Name credited to G. Murray, Jr. Age is Paleocene.
Source: US geologic names lexicon (USGS Bull. 1200, p. 2170).
Pg. 48 (fig. 2), 57-58; G.E. Murray, 1948, Louisiana Dept. Conserv. Geol. Bull., no. 25, p. 117-122, pl. 10. Lime Hill member of Logansport formation. Consists of calcareous silt and shale of a cyclic pattern; heterogeneous; sudden lithologic changes, both vertically and horizontally, into more sandy phases not uncommon; clay-ball conglomerates common in northern part of outcrop where member is much less calcareous; and around Shreveport, consists of 50 to 75 feet of silty shale, silts, and sands with numerous concretionary boulders; thin seam of lignite near top. Attains its maximum thickness of 225 feet on southern flank of Sabine uplift. Overlies Cow Bayou member; underlies Loggy Bayou member of Summit Hill formation; all contacts gradational. Type locality designated. Mapped in Texas; outcrop area extends into Shelby County. Age is Paleocene.
Type locality: along LA Highway 180 in SW/4 sec. 23, T. 10 N., R. 11 W., and about 2.5 mi northeast of Pleasant Hill, Sabine Parish, LA. Named from exposures on and near Lime Hill. Outcrop area extends into Shelby County, TX.
Source: US geologic names lexicon (USGS Bull. 1200, p. 2170).
Pg. 58 (fig. 8), 59-62. Rank raised to formation in report on Sabine Parish, LA. At reference locality, herein designated, overlies Converse formation (new) and underlies "Hall Summit" formation. Thickness about 55 feet.
Reference sections: in SW/4 sec. 31, T. 10 N., R. 11 W., and SE/4 sec. 36, T. 10 N., R. 12 W., Sabine Parish, LA.
Source: US geologic names lexicon (USGS Bull. 1200, p. 2170).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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