Anorthosite Quarry

Image shows two scientists in hard hats standing in a quarry

Detailed Description

The Midcontinent region is the focus of active mineral exploration, including for mineral deposit types previously unrecognized there.  Here, USGS scientists Laurel Woodruff and Suzanne Nicholson visit an anorthosite quarry, Duluth Complex, MN. Photo by K. Schulz, USGS.


Image Dimensions: 1000 x 750

Location Taken: Duluth, MN, US