Middle island sinkhole

A Slowdown in Earth's Rotation Could Have Affected the ...

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 is about 2 miles offshore in about 70 feet of water. It's an area of lakebed that was an underwater limestone cavern that ...

... Middle Island sinkhole for most of its history.” The sinkhole had created an environment that was “rich in sulfur and low in oxygen.” Living ...

oceanexplorer.noaa.govThe Middle Island sinkhole is open to Lake Huron. A 30-foot Whaler is visible to the right in this aerial photo, ...

East Caicos and Middle Caicos are home to large numbers of mid and smaller-diameter blue holes, and the two islands rival Andros Island in the ...

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 ...

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).

A picture shows purple microbial mats in the Middle Island Sinkhole in Lake Huron, Mich. (Phil Hartmeyer/NOAA Thunder Bay National Marine ...

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

(Image: Thunder Bay Sinkholes 2008). New Scientist Default Image. The shallow Middle Island sinkhole can be seen from the surface; a 9-metre ...

Multimedia Gallery - Rise of oxygen on early Earth

A burbot fish resting on microbial mats inside the Middle Island Sinkhole in Lake Huron. Credit: Phil Hartmeyer. General Restrictions: Images ...

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

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

What bacteria is in Lake Huron? Painting an underwater tapestry that is in constant motion, underwater mats in Middle Island sinkhole composed ...

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

AB » v12 » n1 » Feature

Underwater image showing purple cyanobacterial benthic mats thriving in a 2 m layer of dense sulfur-rich groundwater in Middle Island Sinkhole, Lake Huron ( ...

A diver explores the Middle Island Sinkhole, a part of Lake Huron that holds microbial mats thought to be similar to the ones that lives in ...

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

1.1M subscribers in the TheDepthsBelow community. 71% of the earth's surface is covered by water according to NOAA.

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

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 ...

For years, researchers have focused on three near-shore sinkholes east of Alpena in Lake Huron — particularly one called the Middle Island ...

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 ...

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

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