Named as member (third from base, of six members) of Laketown Dolostone (redescribed). Type section is west of Gettel Playa, for which unit is probably named, in Barn Hills, NE1/4 SW1/4 sec 26, T21S, R14W, southwestern Millard Co, UT, Great Basin province. Restricted to southern part of study area. Outcrops in southern part of Egan Range, east-central NV and may extend as far east as Bare Mountains in southern NV; does not extend as far east as Delamar Mountains, southeastern NV, nor as far northwest as Pancake Range, east-central NV. Consists of light-olive-gray to brownish-gray, microcrystalline to finely crystalline dolostone; medium to thick bedded; weathers light brownish gray. Deposited in subtidal environment. Thickness at type is 38 ft; average is 130 ft [probably a misprint]. Overlies High Lake Member (new) of Laketown; underlies Portage Canyon Member (new) or Jack Valley Member (revised), both of Laketown. Two measured sections. Silurian age [basis of age not stated].

Source: GNU records (USGS DDS-6; Denver GNULEX).