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Everton Resources Inc - Geology Ontario

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<strong>Everton</strong> <strong>Resources</strong> <strong>Inc</strong> .<br />

Shoal Lake Property<br />

Several smaller, stratabound, northeast-trending felsite sills intrude the<br />

lower maficultramafic series in the northeast portion of the northern Shoal<br />

Lake area .<br />

Two syn- to post-tectonic granitoid bodies intrude the volcanic succession.<br />

The Canoe Lake quartz diorite stock intrudes the lower mafic-ultramafic<br />

series approximately six kilometres northeast of the Shoal Lake West<br />

Project. Much of the stock is devoid of any foliation; however, a weak<br />

foliation is developed within the margin of the intrusion and several faults<br />

which have developed in the volcanics have been traced into the margin<br />

of the intrusion. The Snowshoe Bay Batholith intrudes the volcanic<br />

succession approximately one kilometre west of the Shoal Lake West<br />

Project and extends west into Manitoba. This medium-grained granodiorite<br />

intrusion is fairly homogeneous, although grain size and colour variations<br />

occur. A weak foliation or gneissosity is developed proximal and<br />

subparallel to the margins of the intrusion. This foliation appears to trend<br />

into the regional foliation, indicating that the intrusion may be syntectonic .<br />

Quartz porphyry, quartz-feldspar porphyry and felsite dikes occur<br />

throughout the area and have been observed in a variety of crosscutting<br />

relationships. Lamprophyre dikes have been observed to cut across all<br />

lithologies, but were not recognized in either of the late intrusions .<br />

STRUCTURE<br />

Foliations in the Shoal Lake area tend to diverge about diapiric intrusions<br />

and form several distinctive zones of high strain. All recognized foliations<br />

are interpreted to have developed during the D2 event .<br />

The Crowduck Lake - Witch Bay Shear Zone is a major east-trending<br />

zone of high strain tangential to the Canoe Lake Stock, Viola Lake Stock<br />

and the eastern lobe of the Dryberry Batholith. Relative horizontal<br />

movement is interpreted to be dextral. The orientation of the fabrics and<br />

the dextral sense of shear are consistent with a regional, northwesterly<br />

compression (Schwertner eta/., 1979). To the south of the Crowduck Lake<br />

- Witch Bay Shear Zone, a shadow zone, in which little strain is observed,<br />

is indicated on the southwestern flank of the Canoe Lake Stock .<br />

Several narrow, northeast-trending high strain zones occur between the<br />

Snowshoe Bay Batholith and the Canoe Lake Stock. These are developed<br />

within and along the margins of the Stevens Island Complex and trend<br />

subparallel to the intrusion boundaries. These zones of high strain define<br />

three shear zones, with similar orientations and character which suggest<br />

that each is a component of a larger deformation zone referred to<br />

as the Shoal Lake Deformation Zone. The westernmost of these shear<br />

zones contains the Duport mineralized zones and has been termed the<br />

Duport Deformation Zone. The central and eastern zones are termed the<br />

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