[Tagging] Double, double, toil and trouble (how to map Witch's Cauldron?)

Joseph Eisenberg joseph.eisenberg at gmail.com
Sun Oct 7 22:55:22 UTC 2018

A collapsed cave on land is a sinkhole. Is that not appropriate?

The natural=cliff idea is also sensible and correct for the edge of the hole

Natural=arch on a node is a great idea for the natural bridge between the
collapsed section and the open sea. There are plenty of similar features on
rocky coasts, Eg Oregon, Baja California, and in deserts due to wind
erosion (eg Natural Arches monument in Utah)

Small collapsed sea caves can become a “blowhole” if wave action causes
water to erupt up through the hole, but it doesn’t sound like this is the
case in this particular place.

On Mon, Oct 8, 2018 at 7:17 AM Paul Allen <pla16021 at gmail.com> wrote:

> On Sun, Oct 7, 2018 at 9:52 PM ael <law_ence.dev at ntlworld.com> wrote:
>> No. I am sure that I have seen a dedicated/specialist term for exactly
>> these features. Just can't recall the details ATM.
> As I mentioned in another part of this thread, I subsequently found that
> the correct term for
> one of these is a littoral cave (if you want to be fancy) or a sea cave
> (if you want to be plain).  This
> particular one is a collapsed littoral cave.  Well, that's the best I
> could come up with after looking
> at various wikipedia pages.  As for existing, documented tags, nothing
> seems to be an exact
> match for this.
> --
> Paul
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