Gravity & Resistivity Surveys Increase the Size of
Roughrider Zone Target
Hathor
Exploration Limited (HAT–TSX.V) announces that its latest exploration
model for Roughrider Zone uranium mineralization at the Midwest NorthEast
Property indicates that the Zone trends
east-northeast and that gravity and resistivity data strongly indicate drill
targets to the east of the currently-known mineralized area. Based on current
knowledge of unconformity-related uranium mineralization in the Athabasca
Basin
and Hathor’s geophysical data, it appears that significant targets exist
in a continuous zone extending at
least 300 metres to the east of the currently-defined Roughrider Zone.
At the Midwest NE property, Hathor
has identified coincident gravity and resistivity lows that are associated with
uranium mineralization of the Roughrider Zone. Please see maps posted at www.hathor.ca ..
Hathor’s new exploration
model shows the primary drill target is the intersection of the basement-hosted
uranium-bearing structures and the unconformity. The centre of this target,
located approximately 90 m ENE from the mineralization in discovery hole
MWNE-08-12, has not yet been tested and will be the subject of a drill program
scheduled to start in June of 2008.
To date,
geological exploration of Hathor’s 90%-owned Midwest NorthEast property
has included geochemical analysis and re-logging of historic drill core
including the determination of clay alteration patterns by shortwave infrared
reflectance spectroscopy (“PIMA”). Interpretation of this
geological information, together with ground and airborne geophysical surveys
(including 3D seismic, magnetic gradient and total magnetic field data) lead to
the development of a preliminary exploration model that resulted in the
discovery of the Roughrider Zone uranium mineralization (see Hathor News
Releases dated February 26th and March 3rd , 2008).
Key geological
features associated with the footprint of an unconformity-style uranium deposit
(e.g. alteration zones) or those that control the location and distribution of
mineralization (e.g. the geometry of fault zones, particularly cross-cutting
structural features where they intersect the unconformity) have been revealed
by Hathor’s Roughrider discovery drill program. These have now been
augmented by 3D inversions performed on recently completed, high-resolution
surface gravity and resistivity data collected in the vicinity of the Roughrider
discovery.
Alteration
zones that envelope unconformity-associated uranium deposits are characterized
by variably developed argillitization, chloritization, silicification,
desilicification, and hematization and can be mapped by resistivity and gravity
geophysical surveys. At their McArthur River and Cigar Lake mines, Cameco
Corporation and AREVA Resources Canada Inc. have shown that zones of low
gravity and low resistivity have been very effective at identifying the
presence of desilicification and/or clay alteration haloes caused by long-lived
hydrothermal systems associated with fault zones (structures) within the
basement and/or the basinal sandstones.
The incorporation of
Hathor’s geophysical data, and geological and geochemical information
from the recent discovery drill program, into the already extensive and
innovative database has provided a critical new understanding of the Roughrider
Zone and its as yet untested expression where it intersects the unconformity.
A NI 43-101 report outlining the
geology of the nearby (located about 1,800 metres from the Roughrider Zone),
AREVA-controlled Midwest A (“Mae”) Zone, , states: “The mineralized structures also exhibit structurally
controlled roots that go well down into the basement (as far as 70m beneath the
unconformity). It was noted during the drill programs that if a mineralized
graphitic structure was intersected in the basement, it could be followed up
into the overlying sandstone where it would always produce a zone of strong
mineralization. This is illustrated by hole MW-703, which intersected 2.2
meters at 0.3% Eu approximately 20 meters beneath the unconformity. This led to
the follow-up hole MW-706, which returned the best results of the summer 2006
program”.
Terra
Ventures Inc. owns a 10-per-cent production carried interest in the Midwest
NorthEast property.
Benjamin
Ainsworth, PEng, a director of the company and a qualified person as defined by
National Instrument 43-101, has reviewed and approved the technical disclosure
contained in this news release.
For
more information on Hathor, please visit the company's website: www.hathor.ca
or contact Stephen Stanley at 604-684-6707 or Tony
Nunziata at 403-560-7040
Hathor Exploration Limited
Stephen G.
Stanley, Director
The TSX Venture Exchange has not
reviewed and does not accept responsibility for the adequacy or accuracy of the
content of this news release
Cheers,
Natasha
Dutra, Office Manager
Hathor Exploration Limited
Suite 1910 -
925 West Georgia St.
Vancouver, BC V6C 3L2
T 604-684-6707
F 604-684-9277
www.hathor.ca