Metalline Mining Company Updates Results of Water Exploration Program
December 15 2006 - 8:21AM
PR Newswire (US)
COEUR D'ALENE, Idaho, Dec. 15 /PRNewswire-FirstCall/ -- Metalline
Mining Company (AMEX:MMG) announced that during its 2006 water
development program, Metalline Mining Company has drilled 15
exploration holes in the vicinity of Sierra Mojada, Coahuila,
Mexico. Two borings are incomplete for technical reasons. The water
production rate of the remaining holes was estimated by air lift
testing, and six of them yielded tests in excess of 50 gallons per
minute from depths of 200 meters or less. One hole was selected for
completion using an open hole completion technique recommended by
our consulting hydrologist, David Hawkins of Barranca Group LLC. As
explained in the attached memo, the completed well tested at a rate
of 152 gallons per minute during a 24 hour pump test. The water
produced from the well is brackish with a temperature of 30 C, as
is water from many nearby exploration holes. Our consulting
engineers state that the water quality is adequate for process use,
but the quality is too low to meet standards for human drinking
water. From the perspective of sustainable use of resources, such
water is ideal for use in mining applications. Our water
exploration holes in another area, to the north of the town of La
Esmeralda, show excellent potential to provide high quality
drinking water. We are working with local authorities to find ways
to cooperatively develop a reliable supply of water to meet present
and future needs of our work force and other inhabitants of the
towns of Sierra Mojada and La Esmeralda. Mining and ore processing
requires large volumes of water. Our engineers have identified
location of an adequate water supply as a critical milestone in the
feasibility study process. The current results suggest that a
suitable water supply can be identified. Memo from David B.
Hawkins, consulting hydrogeologist, to Metalline Mining Company
management, dated 10 December 2006. "Over the past 4 days we have
installed a test pump in water exploration well R3A and we have
conducted a pump test. A 30 HP submersible test pump was installed
to a depth of 945 feet. After pump installation a step test was
conducted to determine a sustainable rate for the constant rate
test. The step test determined that there was very limited drawdown
pumping at the maximum rate that the pump could deliver. Therefore
the constant rate test was conducted at approximately the maximum
rate that the pump could deliver. During the constant rate test,
the well was pumped at a rate of 152 gallons per minute (gpm) for a
period of 24 hours. The static water level was approximately 495
ft. below land surface. The maximum drawdown produced during the
pump test was less than 7 feet, and this was produced during the
first three minutes of pumping, after which the pumping water level
did not change for the duration of the test. After the pump was
turned off, the water level recovered virtually instantaneously.
The exploration drilling and test pumping of R3A indicate the
following: (1) Fractured carbonate rocks are a viable water
exploration target in the El Rey Basin. (2) The well was
constructed with an "open-hole" completion, i.e. the well was not
cased below the conductor casing at 84 ft, i.e. the well was
uncased from 84 ft. to 1140 ft. There were no caving problems
during the casing installation and test pumping, therefore this
offers the possibility of being a very economical well construction
method. (3) The pump test indicates that the well would be capable
of sustained pumping at a rate of 150 gpm. Based on the very
limited drawdown experienced, it is likely that the well can
produce significantly more than 150 gpm. Therefore, it is
recommended that the well be tested with a larger capacity pump in
order to determine its maximum sustainable capacity."
Forward-Looking Statements This news release contains
forward-looking statements regarding future events and Metalline's
future results that are subject to the safe harbors created under
the Securities Act of 1933 (the "Securities Act") and the
Securities Exchange Act of 1934 (the "Exchange Act"). These
statements are based on current expectations, estimates, forecasts,
and projections about the industry in which Metalline operates and
the beliefs and assumptions of Metalline's management. Words such
as "expects," "anticipates," "targets," "goals," "projects,"
"intends," "plans," "believes," "seeks," "estimates," "continues,"
"may," variations of such words, and similar expressions, are
intended to identify such forward-looking statements. In addition,
any statements that refer to projections of Metalline's future
financial performance, Metalline's anticipated growth and
potentials in its business and other characterizations of future
events or circumstances are forward-looking statements. Readers are
cautioned that these forward-looking statements are only
predictions and are subject to risks, uncertainties, and
assumptions that are difficult to predict, including those
identified elsewhere herein and Metalline's Annual Report on Form
10-KSB for the fiscal year ended October 31, 2005 under "Risk
Factors." Therefore, actual results may differ materially and
adversely from those expressed in any forward-looking statements.
Metalline undertakes no obligation to revise or update any
forward-looking statements for any reason. DATASOURCE: Metalline
Mining Company CONTACT: Merlin Bingham, +1-208-665-2002 Web site:
http://www.metalin.com/
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