Geologic Unit: Blomeyer

Usage:

Blomeyer Member of Bloomsdale Limestone of Plattin Group (MO)
Blomeyer Member of Mifflin Formation of Platteville Group (IL)

Geologic age:

Late Ordovician (Mohawkian; Turinian)

Type section, locality, area and/or origin of name:

Type section: in small quarry on the north side of MO Highway 74, 0.25 mi east of the highway junction at Rock Levee, in northwest corner of NE/4 NW/4 sec. 24, T. 30 N., R. 13 E., Cape Girardeau quadrangle, Cape Girardeau Co., MO. Named from the village of Blomeyer, MO, about 6 mi northwest of the type section (Templeton and Willman, 1963).
Principal reference section (neostratotype): the quarry serving as type section was in SE/4 SW/4 sec. 13, T. 30 N., R. 13 E., approx. 0.5 mi east of junction of MO Highway 74 and U.S. Interstate Highway I-55, Cape Girardeau 7.5-min quadrangle. It was destroyed as Southeast Stone Company quarry was developed; Blomeyer now exposed in uppermost (eastern) part of this quarry and also exposed in the bottom of the 400-ft-deep Lonestar Cement Company quarry, about 1.5 mi to the northeast (Thompson, 1991).

AAPG geologic province:

Ozark uplift
Wisconsin arch