Pg. 378-394. Appanoose beds. Shales, limestones, coals, and clays forming lower part of Des Moines stage in Appanoose County. Overlain by Chariton conglomerate (top division of Des Moines stage). Includes Mystic coal. Age is Middle Pennsylvanian.
Named from development in Appanoose Co., IA.
Source: US geologic names lexicon (USGS Bull. 896, p. 61-62).
Pg. 426-469. Divided Des Moines "stage" of Guthrie County, Iowa, into (descending): (1) sandy shale, 40 to 100 feet (probably = Pleasanton shale of Missouri and Kansas); (2) shale, sandstones, and limestones with 3 coals (probably = Appanoose formation of Iowa and Henrietta formation of Missouri); (3) sandstones, sandy shale, coals, etc. corresponding to Cherokee shale of Kansas. Age is Middle Pennsylvanian.
Source: US geologic names lexicon (USGS Bull. 896, p. 61-62).
Pg. 102-122. Appanoose beds, near middle of Des Moines formation. include Mystic or Centreville coal, also limestones known as "Bottom rock limestone, "Cap rock limestone", "Thirteen-foot limestone", and "Fifty-foot limestone." Age is Middle Pennsylvanian.
Source: US geologic names lexicon (USGS Bull. 896, p. 61-62).
Pg. 598-604. Appanoose formation = Henrietta formation of Missouri. Consists of (descending): Lonsdale coal, 1 to 2.5 feet; shale with limestone and sandstone seams, 25 to 100 feet; coal and fine clay, 4 to 16 feet; Chariton conglomerate, 15 to 25 feet; shales and limestones, 50 to 100 feet; Mystic coal, 6 to 36 inches; fine clay, 1 to 8 feet; limestone 15 to 35 feet. Underlies Pleasanton shales and overlies Cherokee beds. Age is Pennsylvanian.
Source: US geologic names lexicon (USGS Bull. 896, p. 61-62).
Chart 6 (column 31). Appanoose group. Shown on Pennsylvanian correlation chart as a group comprising strata from unconformity below Mulky coal to base of Pleasanton [shale].
Source: US geologic names lexicon (USGS Bull. 1200, p. 117-118).
Pg. 2027-2028. Appanoose group. Apparently abandoned in favor of Marmaton group. Appanoose includes some upper Cherokee strata and corresponds to Henrietta group as treated by Cline (1939) and redefined by McQueen (1943).
Source: US geologic names lexicon (USGS Bull. 1200, p. 117-118).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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