Re: Re: Re: Anyone Know What these Are?

Scuba Diving on the Great Escape Southern California Live-Aboard Dive Boat

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Posted by Steve Lawson on July 18, 2017 at 22:54:34:

In Reply to: Re: Re: Anyone Know What these Are? posted by Max Bottomtime on July 18, 2017 at 20:23:04:

Did you find them around PV? If so, they are a phenomenon known as the mysterious "Chinese Anchors." Back in the 1970s, James Moriarty claimed a Chinese vessel sailed 3,000 years ago from China and wrecked off Palos Verdes. The so-called anchors were carried by the vessel and dispersed when the wreck stranded. Moriarty was never able to explain why a vessel crossing the Pacific carried so many anchors and why they were distributed over such a wide area (over a couple of miles). The rock was also said to have been tested and determined to be of local origin. Moriarty received a lot of attention from his questionable assertion.

There are two far more plausible explanations. First, the local rock consists of many fossils. When exposed to the elements and the surf, the fossils are much softer than the rock in which they are encased, and wear down much faster, leaving a depression. If urchins make the depression their home, they readily dig down, making a nice clean bore hole through the rock. The second explanation is that whalers bore them out and used the rocks to secure whales harpooned back in the 1800s.

Also see http://cawreckdivers.org/Chinese%20Anchors.htm

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