Ontonagon Boulder, Ontonagon River, Ontonagon Co., Michigan, USAi
|Regional Level Types|
|Ontonagon Boulder||- not defined -|
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Latitude & Longitude (WGS84):
46° 41' 11'' North , 89° 14' 2'' West
Latitude & Longitude (decimal):
Köppen climate type:
On the west branch of the river. Approximately Sec 31 T50N R39W (Now Victoria Dam). First recorded visit by Alexander Henry in 1760. Purchased and removed by Mr. Eldred in 1843. Presently in the Smithsonian collection.
Regions containing this locality
|North America Plate||Tectonic Plate|
|Keweenaw Peninsula, Michigan, USA||Peninsula|
Select Mineral List TypeStandard Detailed Strunz Dana Chemical Elements
Detailed Mineral List:
Habit: 1.5 ton mass
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
List of minerals arranged by Dana 8th Edition classification
|Group 1 - NATIVE ELEMENTS AND ALLOYS|
|Metals, other than the Platinum Group|
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