Named after Bartine Ranch [39 deg 31' 27"N, 116 deg 21' 30"W] which lies few mi southwest of Lone Mountain. Type section is on main southwest ridge leading from peak of Lone Mountain [Bartine Ranch 15' quad, Eureka Co, NV]. Is middle member of McColley Canyon Formation. Mapped in Sulphur Springs Range, Roberts Mountains, Lone Mtn and Table Mountain. Consists of alternating thin- to medium-bedded, medium-gray, fine-grained limestones and pale orange to yellowish argillaceous limestone. Is approx 480 ft thick at Lone Mountain. Conformably overlies Kobeh Member (new) of McColley Formation; conformably underlies Coils Creek Member (new) of McColley Formation except at Sulphur Springs Range where is overlain by Union Mountain Formation. Contains abundant EUREKASPIRIFER PINYONESIS fauna. Is Early Devonian age.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
Included as middle of 3 members of McColley Canyon Formation. Overlies Kobeh Member and underlies Coils Creek Member, both of McColley Canyon Formation. Ostracodes collected in Coal Canyon area 198 feet above base of Bartine, south-central part of sec.16 T25N R49E, Horse Creek Valley 15' quad and also from sec.4 T26N R48E, Cortez 15' quad [both in Eureka Co, NV]. Considered Emsian [Early Devonian] age.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
Recognized in N Simpson Park Range where underlies Coils Creek Member of McColley Canyon Formation and overlies Rabbit Hill Limestone. Age is Dalejan and Zlichovian (Early Devonian).
Source: GNU records (USGS DDS-6; Menlo GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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