- environmental, water-well, coal-bed methane,
shallow gas,
underground percussive/
longhole drilling, as well as
surface drill and blast.[citation needed] "Company...
- Long Hole, also
spelled Longhole, is a
limestone cave on the
south coast of the
Gower Peninsula between Paviland and Port Eynon. It is
relatively small...
- 1184–1984.
Swansea City Council. Dinnis, R (2012). "Identification Of
Longhole (Gower) As An
Aurignacian Site". Lithics: The
Journal of the
Lithic Studies...
-
Journal of
Human Evolution, 2008 Dinnis, R (2012). "Identification Of
Longhole (Gower) As An
Aurignacian Site". Lithics: The
Journal of the
Lithic Studies...
-
stoping block.
Raise bores work most
effectively between 45 and 90 deg.
Longhole raise, a
pattern of
tightly spaced blastholes and
reamers (empty holes...
-
under new
owner Northern Star Resources, the
mining method was
changed to
longhole stoping.
Access to the
orebody is via
decline and
spiral ramp.
After blasting...
-
completed in June 2016 at the
depth of 3,008 m (9,869 ft), the
deepest longhole open
stopes in the world. The
deepest active mine in
Eurasia and in Asia...
-
traditional room-and-pillar
mining system and the more
modern and
effective longhole retreat stoping technique. The
concentrator and
Luilu metallurgical plant...
-
kilotons from the
Bushveld Complex alone. Most are
underground mines (such as
Longhole Stoping, Drift-and-Fill mining, etc.),
fewer are open pit like the large...
-
dated May 2012
coflein NPRN: 305467. GGAT PRN: 00156w. Cadw SAM: GM391:
Longhole Cave
coflein NPRN: 300251. GGAT PRN: 04802w. Cadw SAM: GM504: Paviland...
