Research Phase:
College of Architecture and Landscape Architecture
University of Minnesota, Minneapolis, MN 2001-5

Initial Site Studies:UMN-CALA Site Elevation (Surface to Mantle)

QUATERNARY:
35 feet Quaternary terrace sand, gravelly sand, silty sand
25 feet thickover 10 feet of till.

ORDOVICIAN:
5 feet Decorah Shale (mostly eroded):
30 feet Platteville Formation: Limestone and dolostone.
5 feet Glenwood Formation: Shale and sandstone.
165 feet St. Peter Sandstone: Fine- to medium grained sandstone with minor shale and siltstone.
125 feet Prairie du Chien Group: Dolostone and minor sandstone.

UPPER CAMBRIAN:
100 feet Jordan Sandstone: Fine-, medium- and coarse-grained sandstone.
40 feet St. Lawrence Formation: Dolomitic siltstone.
140 feet Franconia Formation: Very fine- to fine sandstone and siltstone,glauconitic.
65 feet Ironton and Galesville Sandstone: Fine- to medium grained sandstone.
95 feet Eau Claire Formation: Siltstone, shale, very-fine grained sandstone.
260 feet Mt. Simon Sandstone: Fine- to coarse-grained sandstone, minor shale

.MIDDLE PROTEROZOIC:
2.7 - 4 km Solor Church Formation: Red-brown shale and lithic sandstone. (8860 -13125 feet)
About 3 km Mid Proterozoic volcanic rock. (9800 feet)

1065 feet to the base of the Paleozoic formations
9925 to 14190 feet to the base of the Solar Church Formation.

Data supplied by:
John Mossler, Minnesota Geological Survey

 

Research 1; Research 2; Conceptual 1; Conceptual 2; Conceptual 3; Design 1;
Design 2; Quarry 1; Quarry 2