Northwire Canada EditionTuesday, September 15, 2026
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Production / Operations

Glenstar to Conduct Comprehensive Geophysical Survey at Green Monster Project

By The Northwire Desk — AI Analysis Oct 29, 2025 · 08:30 GSTR · 0.5 Glenstar Minerals Inc.
GSTR · Price

Executive Summary

  • Glenstar Minerals has engaged Hasbrouck Geophysics to conduct a Hybrid‑Source Audio‑Magnetotellurics (HSAMT) survey at the Green Monster Project in southwestern Nevada.
  • The survey will be executed by a three‑person Advantage Geophysics field team, acquiring data every 50 m along 13 lines, with work slated to begin in early November 2025.
  • CEO Dave Ryan says the HSAMT results will inform planning for Phase 2 drilling following the recent Phase 1 drill program that identified a polymetallic zone.

Key Details

  • Contractor: Hasbrouck Geophysics, Inc. (Prescott, AZ) – responsible for survey design, supervision, processing, modeling, and final reporting.
  • Field Team: Advantage Geophysics, Inc. (Phoenix, AZ) – three‑person crew to acquire data on site.
  • Survey Design: Hybrid‑Source Audio‑Magnetotellurics (HSAMT).
  • Data Acquisition Plan: 13 parallel lines; measurements taken at 50 m intervals.
  • Processing & Deliverables: Conversion of raw data into 2‑D and 3‑D cross‑sections, depth/elevation formats, interpolated rectangular cube, horizontal depth slices, and a comprehensive technical report covering methodology, acquisition, processing, modeling, and interpretation.
  • Start Date: Early November 2025 (field work commencement).
  • Purpose: Provide detailed geophysical insight into the polymetallic zone discovered during May 2025 Phase 1 drilling to prioritize targets for Phase 2 drilling.
  • Project Background: Green Monster Property comprises ~700 acres (35 federal lode claims) in Clark County, NV; recent sampling returned high‑grade Cu, Ni, Co, Zn, and notable Zn (>10%) and Ag (>200 ppm). No prior drilling before May 2025.

Notable Quotes

  • Dave Ryan, President & CEO: “The HSAMT survey will provide key information and give us a much better understanding of the geophysical structure of the polymetallic zone discovered during the recent Phase 1 drill program, and will be an invaluable aid to us in planning the priorities for the Phase 2 drill program.”
Read the original news release →

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