A known geological formation in a deep ravine on Michigan's Keweenaw Peninsula has gained attention after drone footage emerged. The wall formation, near the historic town of Laurium, runs through the ravine and is considered by some to be man-made. However, experts identify it as a natural phenomenon—a resistant bed of Jacobsville Sandstone turned on its side to near vertical. Features like block-like appearances and horizontal layering are natural characteristics of this geological structure, not evidence of deliberate construction.
Massive rock wall formation discovered in Michigan ravine
Site mentioned
📍 Keweenaw Wall
Key facts
- Explorers discover a massive rock wall formation in Keweenaw Peninsula, Michigan
- Located in a deep ravine with steep sides on both elevations
- Formation described as 2.5 feet wide running through the entire ravine
- Features blocks with edges that appear to be placed rather than naturally cracked
- Horizontal layering visible on one side of the formation
- Video includes first drone footage of the site
- Explorers dub the site 'Keweenaw Wall' as there is no official name
Sources
Michigan's Great Wall: Is it Man-Made or Not? - 95.3 The Ticketwbckfm.com
It is a formation of stone that may have been created by volcanic activity long ago along during the "Jacobsville sedimentation" period. Or ...
Natural Wallgeo.mtu.edu
A famous geological spot, the Natural wall is a resistant bed of the Jacobsville Sandstone, turned on its side, to near vertical.
This Stone Wall is All-Natural, NOT Man-Made: Keweenaw Peninsula99wfmk.com
Stone wall in Michigan's Keweenaw Peninsula is a natural phenomenon, not man-made. Here are some photos and info...
Keweenaw Wall - Michigan Back Roadsmichiganbackroads.com
Near the historic town of Laurium, on the Keweenaw Peninsula, there is an enigmatic wall. It is in a deep ravine, is considered by some to be man made.
Photographing the Epic Geology of the Keweenaw Peninsulablog.nature.org
Go behind the scenes with a photographer who set out to cover the epic scale of geology on Michigan's remote Keweenaw Peninsula.
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