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Production / Operations

Glenstar Begins Geophysical Survey at Green Monster Project

By The Northwire Desk — AI Analysis Nov 12, 2025 · 08:30 GSTR · 0.46 Glenstar Minerals Inc.
GSTR · Price

Executive Summary

  • Glenstar Minerals has begun the Hybrid‑Source Audio‑Magnetotellurics (HSAMT) survey at its Green Monster Project in southwestern Nevada.
  • The survey is being conducted by Hasbrouck Geophysics and Advantage Geophysics, covering 13 lines with data collected every 50 m; field work is expected to last about two weeks.
  • Results will be processed into 2‑D/3‑D cross‑sections and a technical report will be delivered shortly after field completion.

Key Details

  • Survey Scope: HSAMT survey across the Green Monster Property (~700 acres, 35 federal lode claims).
  • Data Acquisition: Intervals of 50 m along 13 lines; three‑person field team from Advantage with Hasbrouck support.
  • Timeline: Approximately two weeks of field work; subsequent data processing and reporting to follow.
  • Processing Methodology: Sophisticated software will generate two‑ and three‑dimensional cross‑sections, depth/elevation formats, and a rectangular cube interpolated dataset with horizontal depth slices referenced to surface.
  • Deliverables: Technical report detailing methodology, acquisition, processing, modeling, and interpretation of the HSAMT data.
  • Background: No prior drilling on Green Monster; previous sampling (2022) identified robust Ni‑Cu‑Co anomalies, supporting shallow RC drilling targets. Historical channel sample returned 1.18 m of 3.77 % Cu, 3.06 % Ni, 0.21 % Co, and 6.83 % Zn; oxide/sulfide boulders showed >10 % Zn and >200 ppm Ag.

Notable Quotes

  • “We are pleased to commence the HSAMT survey, which will provide critical three‑dimensional geophysical insight into our Green Monster Project and guide future drilling programs.” – David Ryan, President & CEO

Materiality Assessment: Non-Material – Neutral (operational update without immediate financial or resource impact).

Read the original news release →

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