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Setting sail on a clear sunny day in late June 1900, Capt. J. Sidley, along with his 12-year-old son, Vessy, left Rochester, N.Y., aboard the 100-foot schooner Picton. With a crew of five and a cargo of coal bound for Belleville, Ont., the ship picked up speed heading across Lake Ontario.
A strong wind took the topsail off the Picton, and two following ships saw her suddenly vanish, as if being sucked to the bottom of the lake. When they reached the Picton’s last position, all that remained was a sailor’s cap and some floating deck debris.
“A small equidimensional circular depression 1000 meters in diameter, with a continuous encircling rim, coincides with the feature referred to as Charity Shoal on nautical charts. An elongated ridge extends southwest from the feature, resembling the tail of a crag-and-tail feature common to some drumlin fields. The basin is slightly deeper than 18 meters and the rim rises to depths of 2-6 meters. The origin of the feature remains unknown. Although a sinkhole in the limestone terrane is a possibility, an origin related to a meteor crater, that was subsequently glaciated, seems more likely. Aeromagnetic mapping by the Geological Survey of Canada revealed a negative magnetic anomaly over Charity Shoal, which is a characteristic feature of simple impact craters.”
Their research shows that the underwater structure is defined by a ring-like magnetic high and central magnetic low, with the total field magnetic anomaly being quite large, which cannot be accounted for.
The study then states that the anomaly’s “large magnitude indicates a deep basin and/or demagnetization effects in the Precambrian basement rocks below the structure.” The study concludes the structure is “consistent with a meteorite impact.”
If this is the case, then the mineral deposits or deformation of the earth’s surface from a 460-million-year-old meteor impact could possibly give us further answers.
Richard Herd, retired curator of the National Meteorite Collection of the Geological Survey of Canada, states the impact of such a meteor could “depress the earth’s crust and have brought up molten material from inside.” Herd also explains that meteors are of two types: stony and iron-nickel meteor, the latter being parts of small planets from when the solar system was formed.
Navigational charts become a trusted aid in making your way through these unpredictable waters, and on them is a warning: “Magnetic Anomaly: Anomalies in the variation of the compass readings may range from 27 degrees west to 3 degrees east.”
Meanwhile, the legend of the Marysburgh Vortex continues. In 2013, an unmanned sailboat was spotted drifting off the southern shore of Prince Edward County. A recovery crew was dispatched and, according to the local newspaper The County Weekly News, the 32-foot sail boat Persnickety had last sailed out of Sodus Bay, N.Y. The boat was found with all sails up, no signs of trouble and, after a closer inspection by authorities, the operator’s drivers licence, money, food and ice in a cooler were found intact on board. A three-day search for the missing operator was unsuccessful and the reason for the disappearance remains unsolved.
Perhaps this unique crater on the lake floor is composed of meteorite minerals that affect the earth’s natural magnetic fields and in turn displace compass readings of nearby vessels, sending them off course into uncharted shoals. With the advent of GPS and improved navigational aids, the frequency of ships disappearing has certainly diminished, but until what lies beneath is studied in greater detail, it seems the Marysburgh Vortex will continue to be a source of mystery.
originally posted by: stirling
Wilbert Smith developed an instrument which could detect the residue vortex created by atomic explosions....
These Vorticies lingered long after the blast effect, causing aircraft to crash from overstress loading on the weakened materials that they were made of......Aparently the atomic structure of the materials was affected by these vorticies.....
originally posted by: charlyv
Interesting about the possibility of a meteor crater there.
The definitive test, will be finding shocked quartz and/or shatter-cones and breccia in the rim area.
It is hard to imagine how a meteor crater can influence the surrounding environment, other than a slight gravity well.
Interesting thread. Thanks!
They say they believe that both meteors were of nickel and iron, but maybe not.