'Mysterious' Baltic Sea Object Is a Glacial DepositBy Natalie Wolchover | LiveScience.com – 6 hrs ago
Also adding titillation, Lindberg says a documentary is being made about the seafloor anomaly — the location of which he has not disclosed — and he's saving some juicy details for the footage. "We're not telling everything," he said. "We will reveal some quite interesting things in the documentary."
The divers recently gave samples of stone from the object to Volker Brüchert, an associate professor of geology at Stockholm University. Swedish tabloids quote Brüchert as saying: "I was surprised when I researched the material I found a great black stone that could be a volcanic rock. My hypothesis is that this object, this structure was formed during the Ice Age many thousands of years ago."
In other words, an expert appears to back up their claims that this seafloor object is unexplained, and perhaps is an Atlantis-like ancient building complex. To double check, Life's Little Mysteries consulted that expert. Turns out, neither he, nor any of the other experts contacted about the Baltic Sea object, think there is anything mysterious about it.
"It's good to hear critical voices about this 'Baltic Sea mystery,'" Brüchert wrote in an email. "What has been generously ignored by the Ocean-X team is that most of the samples they have brought up from the sea bottom are granites and gneisses and sandstones."
These, he explains, are exactly what one would expect to see in a glacial basin, which is what the Baltic Sea is — a region carved out by glacial ice long ago.
Along with the mundane rocks, the divers also gave him a single loose piece of basaltic rock, a type of rock that forms from hardened lava. This is out of place on the seafloor, but not unusual. "Because the whole northern Baltic region is so heavily influenced by glacial thawing processes, both the feature and the rock samples are likely to have formed in connection with glacial and postglacial processes," he wrote. "Possibly these rocks were transported there by glaciers."
Glaciers often have rocks embedded in them. At the end of the Ice Age, when glaciers across Northern Europe melted, the rocks inside them dropped to the Earth's surface, leaving rocky deposits all over the place. These are sometimes called glacial erratics or balancing rocks. [Gallery of the Weirdest Balancing Rocks]
Lindberg and the Ocean X Team did not respond to a request for comment on the glacial deposit theory.
Aside from a widely-reproduced illustration recently created by a graphics artist in which the Baltic seafloor object is rendered as a beautiful, Atlantis-like archaeological site, there has only ever been one actual image of the Baltic Sea object: the original sonar scan image captured by the divers last summer, in which the object resembles a crashed UFO spaceship. But experts told us that sonar image should be disregarded.
"The sonar image has numerous artifacts in it that make it difficult to interpret, and I would not place too much confidence in any interpretation until a better processing is done and the details of the type of sonar and particulars are provided," said seabed sonar-scanning expert Dan Fornari, a marine geologist at the Woods Hole Oceanographic Institution in Massachusetts. "I'm saying the data are lacking in resolution, detail and quantification."
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