Middle island sinkhole

Millions of Microbes: The Unexpected Inhabitants of Lake ...

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

In contrast, the deeper (23-m) Middle Island sinkhole experiences ... Middle Island sinkhole displayed a thin ( < 0.5-cm-thick) layer of purple ...

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

... Middle Island Sinkhole in Lake Huron, Mich. (Phil Hartmeyer/NOAA Thunder Bay National Marine Sanctuary via AP). by: Associated Press. Posted ...

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 ...

Alpena-area sinkhole offers clues to planet's early history

Samples of a microbial mat at the bottom of a 75-foot-deep sinkhole off the north shore of Middle Island, near Rockport State Recreation Area in ...

“We actually imagine that the world looked kind of like the Middle Island sinkhole for most of its history,” Klatt said. Divers brought up ...

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 ...

... Middle Island Sinkhole in Lake Huron, Mich. Small hills and fingers like this one in the mats are caused by gases like methane and hydrogen ...

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 ...

Sinkholes below Lake Huron hold strange ecosystem

The Middle Island sinkhole is open to Lake Huron, creating a gradient of biological activity. A nine-metre boat is also visible in this ...

... Middle Island Sinkhole in Lake Huron, Mich. … Read More This June 19 ... Middle Island sinkhole for most of its history,” Klatt said. Divers ...

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

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, ...

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 ...

Did earth's longer days kick-start oxygen growth

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

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 ...

... Middle Island Sinkhole.” “This is one of those rare places that we ... Judith Klatt scrapes a sample of a Middle Island Sinkhole microbial mat ...

Anhang: Ein Taucher beobachtet die violetten, weißen und grünen Mikroben, die die Felsen im Middle Island Sinkhole des Lake Huron bedecken. Quelle Phil ...

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

Study Suggests Earth's Slowing Rotation Led to More ...

... Middle Island Sinkhole in Michgan. Share. Print. A new study suggests Earth's supply of oxygen developed thanks to the planet's gradually ...

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

This photo shows purple microbial mats in the Middle Island Sinkhole in Lake Huron, Mich. (Phil Hartmeyer/NOAA Thunder Bay National Marine Sanctuary via AP).

Colorful underwater microbial mats growing in salty, sulfur-rich, oxygen-poor groundwater clothe the limestone rocks in Middle Island sinkhole.

Klatt worked together with a team of researchers around Greg Dick from the University of Michigan. The water in the Middle Island Sinkhole, ...