Jamaican Caving Notes
Tyre Sump Cave
May 11, 2005
Team: Stewart, Conolley, Slack
Notes: RS Stewart
This site was located while searching for Tyre Sump and Dalby's Stream Cave. It somewhat matches the Liverpool map, it is a sump, and it is in Tyre. It is well known by the people of the district and is used in dry-season as a water source. The JU listed position does not match, but JU plots it on the side of a hill, not in a cockpit that would hold a sumped chamber, so the coordinates cannot be trusted. Therefore, we are designating this site as Tyre Sump Cave, with a position accurate enough to avoid confusion in the future. It should be noted, though, that there are probably a number of similar sites in the local district, so this isn't necessarily the one Liverpool found.
A joint to a bedding-plane entrance, at the end of a short streambed, leads to a drop of a couple of metres into a pool in a chamber about 6m across. The water is deep. We did not see a continuing shaft on the other side, as indicated in the Liverpool map, but it might have been beyond where the low ceiling of the chamber intersected the water. Conditions had been rainy for weeks before our visit. The airspace in much of the chamber was well under a metre, and judging by the mud outside of the entrance, the entire chamber goes underwater at times.
No Sesarma were seen, or trogs. This is not a bat-roost (it floods). The chamber is all twilight zone.
We are listing this site with a low vulnerability, but future conditions are dependent on land-use above the cockpit. It is just within the Forestry Reserve border, so this might prove to be helpful in its preservation.
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