Detroit City Mine Updates

-Detroit City Mine Update-

-Detroit City Mine Update-

It’s been a while since we’ve posted an update on the Detroit City Mine project at the Sweet Home deposit in Alma, Park County Colorado, but it hasn’t been for lack of activity up at the mine. The 2018 mining season was very busy, and we achieved a number of key objectives on our path towards hopefully discovering and mining world-class rhodochrosite specimens. Figure 1: Google Earth image (left) showing location of former Sweet Home mine portal and the Detroit City Mine. Location of Alma, Colorado shown at right. Figure 2: Detroit City Mine portal area with haul truck for...

Read more →


Detroit City Project Update

Detroit City Project Update

Detroit City Project Update Hi All-    It's spring here in the Rocky Mountains which means sunny skies, birds chirping, and 80-mile-per-hour wind in subzero temperatures... at least on Mount Bross that is! While winter may not have released its hold on the Colorado High Country yet, we are beginning preparations to start mining again at the Detroit City project, after taking a break for the winter season. Here is a quick recap of the 2017 mining season, and a little bit about what's next! While it's been fairly warm and sunny here in Denver, the weather up at 11,000+...

Read more →


Detroit City: Another Chapter in the story of Sweet Home Rhodochrosite!

Detroit City: Another Chapter in the story of Sweet Home Rhodochrosite!

The Detroit City Mine- another chapter in the story of Sweet Home Rhodochrosite         Since the difficult decision to close the Sweet Home mine was made in the fall of 2004, the demand for top-quality rhodochrosite specimens from this iconic locality has increased around the world. Rhodochrosite from the Sweet Home mine has stood the test of time as one of the most coveted and valuable collectable minerals of the past 100 years, and many newer collectors have found they are simply unable to acquire a top example since the mine’s closing. Taking into account this growing demand...

Read more →