Pg. 30 (table 1), 37-38. Dunn Creek slate, basal formation of Paint River group (new) of Animikie series. Consists of sequence of siltstones and slates; in type area contains one or more layers of slaty sideritic iron-formation; in uppermost part inlcudes newly defined Wauseca pyritic member. Probable maximum thickness about 800 feet; probable minimum thickness about 400 feet. Underlies Riverton iron-formation (new); overlies Badwater greenstone (new) of Baraga group (new). Age is middle Precambrian (Animikie Series). Report includes stratigraphic sequence chart.
Type area: eastern Iron Co., northwestern MI. Named from exposures near Dunn Creek, south of Crystal Falls, eastern Iron Co., Northern Peninsula, northwestern MI (Lake Superior region).

Source: US geologic names lexicon (USGS Bull. 1200, p. 1182).

Pg. 2845 (fig. 2, stratigraphic chart compiled from Leith and others, 1935; James, 1958; Gair and Thaden, 1968). Dunn Creek Slate of Paint River Group of Marquette Range Supergroup (new; replaces †Animikie series of James, 1958, south of Lake Superior, in Michigan and Wisconsin). Present in Iron River-Crystal Falls district, northwestern Michigan. Underlies Riverton Iron-Formation of Paint River Group; overlies Badwater Greenstone of Baraga Group. Age is middle Precambrian.

Source: Publication.