Mine detail: Connecticut Fissure

Previously called ''

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Location

Lat / long:

47.425, -88.11671

Resource(M)

Primary:	Copper
Ore:	Copper

Production

Operation type:	Surface
Production size:	Small
Development status:	Past Producer
Production years:	PRIOR TO 1860

Geology

Host rock:	Portage Lake Volcanics
Host type:	Basalt
Structure:	Just south of Greenstone flow

References

MRDS	W060061
DEP	10082623
Reference	{Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF. PAPER NO. 144, 238 PP.}{Deposit:: CORNWALL, H.R., 1954, BEDROCK GEOLOGY OF THE DELAWARE QUADRANGLE, MICHIGAN: USGS MAP GQ-51, SCALE 1:24000}{Production:: BUTLER AND BURBANK, 1929}
Reporter	Nicholson, Suzanne, Sutphin, D.M., Mason Jr., G.T.