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Project Acronym: BVDP| State: Drilling Preparation | Expedition ID: 5067

ins.: 2024-12-04 19:37, 2 yrs ago
By: Scientists
Category: Bushveld
Bushveld

BVDP: 2024-12-04

Current state of drilling at the BVDP drill site
Downhole survey: Locking device going down the hole.

2024-12-04
Hole B was drilled from 110.6m to 1269.20m and then stopped. This was due to technical difficulties and the intersection of a lamprophyre dyke over the last 5m.
Due to a significant deviation of dip direction and azimuth over the last 100m, it was decided to cement the bottom of the hole (approximately last 100m) and then try and re-direct the hole.
After four attempts to cement the bottom of the borehole, it was finally cemented from 1150m to 1269.20m.
Additionally - New drill rods were supplied to site to replace the rods that were initially being used.
A directional wedge is now be inserted in Hole B so that the new hole can be deflected away from the dyke and in so doing, correct the dip and azimuth. During this process, the plan is to direct the hole as much as possible so that it will be perpendicular to the known layering of the Bushveld Igneous Complex lithologies.