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National Geologic Map Database
Geologic Unit: Waubeka
Map showing publication footprint
  • Usage in publication:
    • Waubeka Member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Till
    • Silt
    • Sand
  • AAPG geologic province:
    • Wisconsin arch
Publication:

Mickelson, D.M., and Syverson, K.M., 1997, Quaternary Geology of Ozaukee and Washington Counties, Wisconsin: Wisconsin Geological and Natural History Survey Bulletin, no. 91, 56 p., (incl. geologic map, scale 1:100,000)


Summary:

Pg. 5 (fig. 3), 8 (fig. 5), 9, 13; App., p. 53-56. Waubeka Member of Holy Hill Formation. Till, and lake and stream sediment, interpreted as having been deposited by ice and meltwater associated with the Lake Michigan Lobe. Till is yellowish-brown to brown; is grayer where unoxidized. Texture is intermediate in composition between underlying till of New Berlin Member of the Holy Hill Formation and overlying till of Oak Creek Formation. Has more silt and clay than the New Berlin and greater sand content than the Oak Creek. Previously referred to as till 1B by Mickelson and others (Wisconsin Coast Mgmt., Off. State Planning and Energy Shore Erosion Study Tech. Rpt., 1977). The Waubeka is the surface unit in western Ozaukee and eastern Washington Counties, southeastern Wisconsin. Can be traced in subsurface along Lake Michigan shoreline as far south as St. Francis, Milwaukee County, southeastern Wisconsin. [Thickness not stated.] Age is Pleistocene (late Wisconsinan, approximately 15,000 to 13,500 yr B.P.), based on stratigraphic relations.
Type section: exposure in gravel pit located in an east-west trending drumlin, at southeast edge of Newburg, 300 m east of intersection with Wisconsin Highway 33 and County Trunk Highway I, in NW/4 SW/4 SE/4 sec. 12, T. 11 N., R. 20 E., [approx. Lat. 43 deg. 25 min. 37 sec. N., Long. 88 deg. 02 min. 51 sec. W.], Newburg 7.5-min quadrangle, Washington Co., southeastern WI.
Named from village of Waubeka, northeastern corner Port Washington West 7.5-min quadrangle, Ozaukee Co., southeastern WI.
Reference sections:
(1) along Lake Michigan shoreline in city of St. Francis, in NE/4 NE/4 NE/4 sec. 23, T. 6 N., R. 22 E., [approx. Lat. 42 deg. 58 min. 14 sec. N., Long. 87 deg. 51 min. 00 sec. W.], South Milwaukee 7.5-min quadrangle, Milwaukee Co., southeastern WI;
(2) roadcut at intersection of Finbars Road and Shady Lane Road, about 4 km east of type section, in NW/4 SW/4 SW/4 sec. 9, T. 11 N., R. 21 E., [approx. Lat. 43 deg. 25 min. 40 sec. N., Long. 88 deg. 00 min. 00 sec.], along bdry. btw. Port Washington West and Newburg 7.5-min quadrangles, Ozaukee Co., southeastern WI.
[Additional locality information from Syverson and others, 2011, Wisconsin lexicon of Pleistocene units, Wisconsin Geol. Nat. Hist. Survey Tech. Rpt., no. 1; supplemented from USGS historical topographic map collection TopoView and Wisconsin Highways www.wisconsinhighways.org, accessed on June 9, 2018.]
[Misprint (p. 56): till previously referred to as till 1B, not 2B.]

Source: Publication.


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