26 square kilometre early-stage property

Located in British Columbia


Copper-gold porphyry


British Columbia, Canada


The Lemon Lake Project is a 26 square kilometre early-stage property located 6 kilometres east of the Hamlet of Horsefly in the Cariboo Mountains, British Columbia The project covers the Lemon Lake stock and a copper-gold porphyry target defined by soils, IP and shallow percussion drilling through glacial till.

The Lemon Lake property:

  • is a road-accessible, drill-ready, alkalic porphyry target situated between the Mt Polley mine and the Woodjam porphyry cluster;
  • contains a multiphase alkalic stock intruding rocks of the Triassic Quesnel terrane, host to the Afton Cu-Au and Highland Valley Cu-Mo deposits to the South;
  • has an IP anomaly,  a copper-in-soil geochemical anomaly and 0.25% copper over 21 metres in a historic percussion drill hole; and
  • is 100% owned by Orogen and subject to a 2% NSR that can be bought down to 0.75% for $2,500,000.

Exploration Highlights

The Lemon Lake stock is a 5 by 2.7 kilometre zoned composite gabbro to monzonite intrusion located within the Quesnel terrane.  The stock is covered by thin till that limits bedrock exposures; however sparse outcrop (<2%), float and historic drilling reveal a potassic-altered core (K-Feldspar and biotite alteration) centred on the monzonite phase of the stock with a more distal propylitic alteration assemblage consisting of chlorite, pyrite, epidote and calcite.

Historic and more recent Orogen soil sampling highlight a 3.5 by 2.5 kilometre copper anomaly coincident with the Lemon Lake stock. In 1974, the Hudson Bay Oil and Gas Company drilled 11 shallow percussion holes into the soil anomaly and intersected 0.25% copper over 21.3 metres within a potassic-altered biotite monzonite from 21 metres within a 61 metre deep hole.  The holes were not assayed for gold nor followed up with any additional drilling.   Subsequent exploration programs tested gold and PGE targets in the gabbroic portion of the intrusion.

In 2012, a 3D Induced Polarization (IP) survey was completed over the soil anomaly and northern limit of the stock.  The surveys outlined a 2,800 by 600 metre chargeability zone centred on the altered monzonite phase of the intrusion.  The copper intercept in the historic percussion hole is located on the northeastern limits of the IP anomaly. The core of the IP anomaly has never been tested by drilling.

Coincident IP and magnetic anomaly within mapped monzonite on the Lemon Lake property

The property is ready for a shallow RC scout drilling program to test IP, mag and soil anomalies  beneath thin till cover to provide lithologic and alteration vectors for deeper diamond drilling into the mineralized portions of the stock.

The Lemon Lake property is in the traditional territories of the Williams Lake Indian Band and Xatśūll First Nation with whom Orogen is committed to developing a positive and mutually-beneficial relationship based on respect and transparency.

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