DGAP-News: Excalibur Resources Ltd.: CATANAVA PLANT IN STARTUP TEST MODE
(firmenpresse) - DGAP-News: Excalibur Resources Ltd. / Key word(s): Miscellaneous
Excalibur Resources Ltd.: CATANAVA PLANT IN STARTUP TEST MODE
29.05.2012 / 12:20
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Toronto CNSX: XBR
Frankfurt: X9CN
CATANAVA PLANT IN STARTUP TEST MODE
Toronto: Excalibur Resources Ltd. (the 'Company') is pleased to provide an
update on the progress towards production in its 49% subsidiary, Minera
Catanava S.A. de C.V. ('Catanava'). The land use environmental permit
received in November 2011 allowed the construction and installation of the
plant. The ball mill, jaw and cone crushers and ore bins were installed in
December. The conveyors, belts and motors were delivered, installed and
tested in January-March and all are operational. In April, 100 tons of dump
material was loaded into the raw ore storage bin and 50 tons was crushed to¼inch material into the fine ore hopper that is being batch tested on the
three recently installed Action Mining Micron Wave tables. The material is
being tested by increasing the size of the batches in order to optimize the
flow, the grind and the gold recoveries. Various adjustments have been made
including installing feeders for the wave tables and a holding tank.
According to the President of Minera Apolo, S.A. de C.V., and our partner,
Don McLeroy, who is managing the Catanava operation, 'We are in the final
testing stage. We have been running 1-2 hour batches of material at a rate
of 8 tons per hour (192 tpd run rate), a process of
'Testing/Adjusting/Fixing' and everything is working. We are fine tuning
to increase recuperation from around 84% recovery at -80 mesh grind, and
our plans are to increase to well over 90%. We need to grind the ore finer
to release the encased gold and do some additional fine-tuning of the large
Micron Wave Table. We have produced some concentrate from the various tests
of dump material so will pour a small dore bar shortly. We are in 'startup
test mode', which this week will include testing for an entire 8 hour shift
and hope to finalize all equipment adjustments, including reducing the size
of the material being ground to minus 120-150 mesh over the next month or
so that we are in commercial production later in 2012. '
The construction of the building which contains the wave tables,
concentration room, furnace room and plant manager's office is almost
complete with the installation of floors, electrical wiring and security
doors. The walls around the plant will be raised, re-inforced with concrete
and covered with tin. The outside ore bins and conveyor belts have been
covered. The PVC pipe for the tailings line of 500 meters has been received
but has not been installed. Assay and dore furnaces have been ordered.
Other equipment required for underground development in due course include
winches, jacklegs, railcars, caterpillar truck rentals, etc.
Official Water Permit received from CONAGUA
The final signature for the water permit for approving water use in
production has been granted and received from the National Water Commission
(CONAGUA). The Mayor of Pinos and the Governor of Zacatecas have signed the
explosive permit application which was sent to the Department of Defense
for final approval. The official military inspection is now expected in
June.
Excalibur is pursuing the micro-mining approach which is the search for
small, near surface deposits that can be extracted at a low cost. The
Catanava project is in the Pinos Gold District, in the State of Zacatecas,
Mexico which was discovered by the Spanish in 1546 and mined until the
Revolution in 1810, by Cornish miners from 1870 to 1911, and most recently
by an individual miner from 1935 to 1941. Recent exploration work was
undertaken through a Penoles/Bethlehem Steel JV from 1975 to 1983,
All-North Resources in 1993-4, Hecla Mining Company 1995-7, and by Romarco
Minerals from 2006-7. Minera Catanava S.A. de C.V. is 51% held by Minera
Apolo S.A. de C.V. which owns and is providing the land, mineral and mining
rights and management of the project, and 49% is held by Excalibur which
has provided the financing.
Excalibur Resources Ltd. is a junior exploration mining company focused on
the discovery, development and mining of economically viable precious and
base metal mineral resources.
On behalf of the Board of Directors:
'Tim Gallagher'
Chairman
For more information please contact:
Tel: 416-987-0298
Email: info(at)excaliburresources.ca
Website: www.excaliburresources.ca
The CNSX has neither approved nor disapproved of the contents of this press
release.
End of Corporate News
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171824 29.05.2012
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