Burrell Resources Inc. (CSE: BURY) has completed a high-resolution drone-borne magnetic survey over its Rainmaker copper project in Lyon County, Nevada, approximately 25 kilometres south of the Yerington Copper District. The survey identified four principal magnetic anomalies that correlate closely with porphyry-style alteration mapped on the ground, including a magnetic high interpreted to reflect potassic alteration at depth beneath the Ridge target. The company now plans approximately 10 line-kilometres of induced polarization (IP) surveying to refine drill targets, subject to receipt of a final permit, marking a key step toward Rainmaker's first-ever drill program.

Key Points

  • Burrell Resources Inc. (CSE: BURY) is a Vancouver-based mineral exploration company focused on copper and precious metal projects in Nevada.
  • A drone-borne magnetic survey flown by Zonge International covered approximately 400 line-kilometres over the Rainmaker Project, identifying four principal magnetic anomalies.
  • A 2.0 x 0.5 kilometre magnetic high beneath the Ridge target is interpreted to reflect potassic alteration at depth, consistent with the core zone of porphyry copper systems.
  • Investors may be watching for permit receipt and IP survey results, which will inform targets for Rainmaker's first reverse-circulation drill program.

Four Magnetic Anomalies Defined Across the Rainmaker Project

The survey comprised 70 north-south lines spaced 50 metres apart, flown approximately 40 metres above ground for a total of approximately 400 line-kilometres. Results outlined two magnetic highs and two magnetic lows. The largest anomaly is a north-northwest-trending magnetic low approximately 3.5 kilometres long and 1 kilometre wide, closely following a limestone sequence that hosts four copper calc-silicate skarn prospects. A second magnetic low, approximately 0.75 kilometres wide with a 3-kilometre west-northwest strike, lies along the south margin of the Rainmaker graben and is partly concealed by post-mineral cover.

Ridge Target Magnetic High Points to Depth Potential for Porphyry Copper

The third anomaly, a 2.0 x 0.5 kilometre magnetic high striking east-northeast, lies directly beneath the east half of the 2.5 x 1.5 kilometre Ridge phyllic alteration zone. The company interprets this feature as a potassic alteration shell at depth beneath the phyllic zone — a configuration typical of porphyry copper systems where copper mineralisation is often found along the outer margin of the potassic shell. A fourth magnetic high with a 2-kilometre north-northwest strike lies immediately west of the large magnetic low and is partly concealed by younger volcanic cover.

IP Survey Planned to Define Targets for Rainmaker's First Drill Program

The company's next exploration phase is an IP survey of approximately 10 line-kilometres along five lines crossing the Ridge target, the magnetic anomalies, and nearby copper-skarn prospects. The survey is designed to detect disseminated sulphide mineralisation to a depth of approximately 400 metres and is subject to receipt of a final permit. Results will be integrated with magnetic data and geological mapping to define targets for a reverse-circulation drill program, which will itself require a separate drill permit. No drilling has yet been conducted at Rainmaker, and the property does not currently host any mineral resource or reserve.

Geological Context and Comparisons to Regional Porphyry Systems

The company's technical team notes geological similarities between Rainmaker and other Nevada porphyry systems, including the Ann Mason deposit approximately 25 kilometres north, described by Hudbay Minerals as one of the largest undeveloped porphyry copper deposits in North America. Rainmaker's iron-rich mafic volcanic host rocks are cited as potentially favourable for higher-grade porphyry copper mineralisation. These comparisons are geological in nature and are not intended to imply that Rainmaker hosts mineralisation of similar grade, size, or type to any referenced deposit. Lawrence O'Connor, RM-SME, director of the company, served as Qualified Person for this disclosure.