The National Geologic Map Database is migrating to a new infrastructure. We apologize for any service disruptions during this process.

U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Dennis Bridge limestone
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Fort Worth syncline
Publication:

Sellards, E.H., 1933, The pre-Paleozoic and Paleozoic systems in Texas, Part 1, IN Sellards, E.H., Adkins, W.S., and Plummer, F.B, The geology of Texas; Volume 1, Stratigraphy: University of Texas Bulletin, no. 3232, p. 15-238., Published July, 1933


Summary:

Pg. 106, 107. Dennis Bridge limestone in Millsap Lake formation. From manuscript [unpub.] of report by G. Scott and J.M. Armstrong on geology of Parker County [north-central Texas]. Age is Pennsylvanian. (See 1933 entry under Millsap Lake formation.) Type locality not stated.

Source: US geologic names lexicon (USGS Bull. 896, p. 597).


Map showing publication footprint
  • Usage in publication:
    • Dennis Bridge limestone
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Bend arch
Publication:

Plummer, F.B., and Hornberger, Joseph, Jr., 1936, Geology of Palo Pinto County, Texas: University of Texas Bulletin, no. 3534, 240 p., (incl. geologic map)


Summary:

Pg. 15, 16. Dennis Bridge limestone included in Lazy Bend member of Millsap Lake formation by G. Scott and J.M. Armstrong [unpub. ms.]. It is 10 feet thick and lies at base of the section conspicuously exposed on the Brazos at south end of the bridge at Dennis, Parker County, north-central Texas. Age is Pennsylvanian.

Source: US geologic names lexicon (USGS Bull. 896, p. 597).


Map showing publication footprint
  • Usage in publication:
    • Dennis Bridge limestone member
  • Modifications:
    • Revised
Publication:

Cheney, M.G., 1940, Geology of north-central Texas: American Association of Petroleum Geologists Bulletin, v. 24, no. 1, p. 65-118. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Pg. 66 (fig. 1). Dennis Bridge limestone member of Lazy Bend formation. Rank raised. Occurs between Brannon Bridge limestone member (above) and Kickapoo Falls member (below). Age is Pennsylvanian.

Source: US geologic names lexicon (USGS Bull. 1200, p. 1091).


Map showing publication footprint
  • Usage in publication:
    • Dennis Bridge limestone
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Fort Worth syncline
Publication:

Cheney, M.G., 1947, Pennsylvanian classification and correlation problems in north-central Texas, IN Symposium on Pennsylvanian Problems: Journal of Geology, v. 55, no. 3, pt. 2, p. 202-219.


Summary:

Pg. 210. Dennis Bridge limestone. Reallocated to Rayville formation of Kickapoo Creek group (both new). Age is Pennsylvanian (Lampassas). [Some reports place Kickapoo Creek group in Strawn Series.]

Source: US geologic names lexicon (USGS Bull. 1200, p. 1091, 2005-2006, 3209).


Map showing publication footprint
  • Usage in publication:
    • Dennis Bridge limestone bed
  • Modifications:
    • Principal reference
    • Revised
  • AAPG geologic province:
    • Fort Worth syncline
Publication:

Hendricks, C.L., 1957, Geology of Parker County, Texas: University of Texas Publication, no. 5724, 67 p.


Summary:

Pg. 14, fig. 3. Dennis Bridge limestone bed of Hill Creek member of Lazy Bend formation. Rank reduced. Occurs at base of member. At type locality, overlain by 3 feet of shale; along strike, bed is covered by alluvium and Cretaceous rocks. Age is Pennsylvanian. Type locality established.
Type locality: outcrops at end of bridge over Brazos River at Dennis in southwestern part of Parker County, north-central Texas. Exposure extends westward along the Brazos for 0.25 mi to valley of tributary; basal 3 feet is exposed in small outcrop in stream bank 0.5 mi east of south end of bridge at Dennis; these are the only surface occurrences of the limestone.

Source: US geologic names lexicon (USGS Bull. 1200, p. 1091).


Search archives

For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).