DOS Dios Exploration Inc

DIOS EXPLORATION (TSX VENTURE:DOS) completed a drilling program in the Shipshaw
area, Saguenay, Quebec, on its wholly-owned SHIPSHAW niobium-rare earths
project. IOS Services Geoscientifiques of Saguenay provided a complete detailed
report from this program last week. Also, a few additional holes were drilled
later this summer, results pending: a wholly new hematized carbonatite breccia?
zone was discovered while drilling the Falardeau anomaly a few km northeast of
the St-Honore carbonatite. Further drilling is planned later in the year. 


Four drill holes returned metric size intercepts grading up to 0.251 %, 0.188 %,
0.177 %, 0.15 % Nb2O5, respectively, on SHIPSHAW. Several holes returned several
intercepts grading 0.304 % to 0.442 % in rare earth elements (RRE) from one to
sixteen m large intercepts. Also, a carbonatite outcrop was discovered and
returned 7.5 m grading 0.36% rare earth element (REE) (incl. 0.582 % RRE over 1
m). Other track sampling returned one meter intercepts with 0.4% REE and 0.055 %
and 0.04 % Nb2O5. Eleven grab samples returned values up to 0.071 % Nb2O5 and
0.525 % RRE. 


The drill holes aimed at checking several concentric magnetic anomalies in the
vicinities of a carbonatite occurrence. These anomalies were selected from the
processing of an helicopter-borne magnetic survey carried out by Geodata
Solutions and they are located about 4 kilometers south-southwest from the
St-Honore carbonatitic complex. The Shipshaw anomaly is located in an area
characterized by thick clay-rich overburden known as the terres rompues, is
located within a paleo-depression along the Saguenay River. Nineteen (19) drill
holes were completed in the northern and central parts of the geophysical
anomaly. The Shipshaw anomaly is a particularly interesting target for niobium
and rare-earths in reason of its size, proximity and similarities with the
aeromagnetic anomaly associated with the world-class St-Honore niobium deposit. 


DIOS commissioned IOS Services Geoscientifiques for the supervision,
core-logging and sampling of the drilling program; planning was undertaken by
DIOS. Drilling work was commissioned to a local area diamond drilling firm. A
total of 19 NQ-size holes for 4518.6 meters were diamond drilled during the 2011
Shipshaw program and 33 average metric size samples returned values over 0.05 %
up to 0.251% Nb2O5 (one 6.55 m sample returned 0.05 % Nb2O5) with assays by XRF
at Actlabs.


Following Dr. M. Marino's recommendations concerning the 2010 aeromagnetic
survey, a new strategy based on the usual magnetic signature of most known
deposits was applied as primary carbonatites (mainly hydrothermal sovites)
contain important magnetite concentrations derived from CO2-rich and salts-poor
fluids. The interpretation of the geophysical data outlined numerous northsouth
or northnorthwest striking magnetic lineaments, as well as circle-arcs crests.
These signatures may be coincidental with carbonatitic dykes or cone-sheets. The
same strike was also observed on decimetric-metric carbonatite dykes in nearby
outcrops (along Aux Vases River).


To test this hypothesis, 18 of the 19 drill holes tested these magnetic
anomalies. The orientation of the holes was perpendicular to the radial
anomalies. Supposing that the anomalies are cone-sheeted dykes, the dip should
be toward the inside of the anomaly and therefore the drilling should be
directed toward the outside of the concentric structure. The last drill hole
(#773-23) was planned to be 450 m long, but was stopped at 354 m due to
technical problems. It aimed at fully testing the system of magnetic anomalies
and possible carbonatite dykes: from the center of the low mag toward its
margin, and going along the way through a high mag lineament at depth. 


Also, sampling and track-sampling was completed on carbonatite outcrops along
Des Vases River. These outcrops do have an extent over a 100 meter length by
15-20 meter width. They are characterized by strong fracturing and hematization
as well as local breccias. Multiple-generations of carbonatite dykes with
several orientations were observed. 


The Shipshaw Carbonatite Complex is located a few kilometers away from the
Niobec mine, Saguenay area, Quebec, in operation for over thirty years. New
areas of the Shipshaw Complex remained to be tested and also at depth as well as
new potential carbonatite targets surrounding the Niobec mine and defined by
recent research work on DIOS wholly-owned claims. The first definition drilling
phase to understand the geology of the Shipshaw Complex aimed at testing part of
the Complex to a depth of 125-150 m. The Niobec mine is located 300 feet (90 m)
at vertical depth from surface, covered by 240 feet of Trenton limestone, and
developments now reach 2,400 feet. 


The technical content of this press release was prepared by M.J. Girard, M.Sc.,
P.Geo, a Qualified Person pursuant to National Instrument 43-101.

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