Middle island sinkhole

A Window to Ancient Earth Lies at the Bottom of Lake Huron

Using environments like Middle Island Sinkhole can help us understand the conditions in which life evolved on Earth (maybe even giving us hints ...

The water in the Middle Island Sinkhole, where groundwater seeps out of the lake bottom, is very low in oxygen. “Life on the lake bottom is ...

Ian Stone (GVSU): I spent my summer working in both Muskegon Lake and the Middle Island Sinkhole in Alpena. At Muskegon Lake, I examined the ...

Sinkhole 75 Feet Under the Lake Huron Surface! · GPS Location : N45° 11.898' W83° 19.668' · Depth: 75 Feet · Description: Underwater explorations have revealed ...

• Clarissa Crist, "Middle Island Sinkhole: Analysis of Sediment Cores". Middle Island Sinkhole (MIS), located in Lake Huron, allows scientists to visualize what.

Implementing Closed Circuit Rebreathers as an ...

While nearly all of Lake Huron's known submerged sinkholes are hundreds of feet deep, the Middle Island Sinkhole rests only 80 feet beneath the lake's surface, ...

PDF | In the northern Great Lakes region, limestone sediments deposited some 400 million ybp during the Devonian era have experienced erosion, creating.

Lake Huron sinkhole shows secrets of how life evolved on earth. The Middle Island sinkhole in Lake Huron, a few miles off the Alpena coast ...

The sinkhole is about 75ft deep and is a site available for divers to explore. The sinkhole has been studied by the NOAA Great Lakes Environmental Research ...

... Middle Island Sinkhole in Lake Huron, Michigan. PHOTO BY PHIL HARTMEYER/ NOAA THUNDER BAY NATIONAL MARINE SANCTUARY/ VIA AP. Scientists have ...

RUI: OCE-BO: Tango in the Mat World: Biogeochemistry of ...

Middle Island, Lake Huron, Great Lakes N 45.19843°N, W083.32721°W ... Diver image of microbial mats in Middle Island Sinkhole, Lake Huron.

Observations during expeditions in 2002 and 2003 revealed groundwater actively seeping into three of the sinkholes, including the Middle Island, Misery Bay and ...

Carpet of purple cyanobacterial mats at Middle Island sinkhole, Lake Huron (Note the raised gas filled fingers)

WBKB Early Morning (Cathy Green - Middle Island Sink Hole Exploration). Tuesday, July 30, 2024. NOAA Movie Series. Saturday, July 13, 2024. WBKB Early Morning ...

Diver at the edge of the Middle Island sinkhole (L. Clyburn). Picture. Microbial colonies: hairy growths ( ...

'Totally new' idea suggests longer days on early Earth set ...

As a postdoc at the University of Michigan, Ann Arbor, Klatt had studied microbial mats growing on sediments in the Middle Island Sinkhole in ...

... Middle Island sinkhole in Lake Huron. (Credit: Phil Hartmeyer, NOAA Thunder Bay National Marine Sanctuary). The particular sinkholes we're ...

Purple microbial mats in the Middle Island Sinkhole in Lake Huron, June 2024. Small hills and “fingers” like this one in the mats are caused by gases like ...

Clyburn's current film focuses on a sinkhole in Lake Huron about two miles from Alpena near Middle Island. In prehistoric times, the sinkholes ...

sinkholes of Lake Huron, conduct both oxygenic and anoxygenic photosynthesis ... Middle Island Sinkhole, Lake Huron. Yellowstone National Park (Eric Boyd).

Lake Huron sinkhole surprise: The rise of oxygen on early ...

The water in the Middle Island Sinkhole is rich in sulfur and low in oxygen, and the brightly colored bacteria that thrive there are considered ...

It really looks like you're on another planet – eerie, with weird formations and protrusions. Algae/seaweed-covered rocks take on a look like ...

Weird Stuff Found in the Middle Island Sinkhole · MIDDLE ISLAND · YOU CAN BARELY SEE THE SINKHOLE · AT THE BOTTOM · STRANGE OBJECTS RESEMBLING SHARK ...

This June 19, 2024 photo provided by NOAA Thunder Bay National Marine Sanctuary shows purple microbial mats in the Middle Island Sinkhole in ...

... Middle Island sinkhole. “I realized that daylength and oxygen release from microbial mats are related by a very basic and fundamental ...