Giant Mining Corp. (Giant Mining) is pleased to announce drilling of Hole MHB-32 continues now surpassing a depth of 800 feet (243.8 metres). MHB-32 is the first hole of the 2025 four-hole diamond core drilling programme currently underway for the Majuba Hill Porphyry Copper-Silver-Gold Deposit in Pershing County, Nevada.
The primary objective of core hole MHB-32 is to expand known zones of copper mineralisation and toward a new Mineral Resource Estimate (MRE).
Big Sky Exploration, LLCof Eureka, Nevada, drilled MHB-32, and the hole is being quick-logged and tagged for sampling on-site by Giant Mining geologists.
The core samples from MHB-32 will be securely transported to Giant Mining’s secured warehouse facility in Elko, Nevada. At this location, the cores will undergo systematic sawing and detailed logging to document lithological characteristics, mineralisation, and structural features. Following this, the processed samples will be sent to ALS Group USA, Corp. in Elko, Nevada. At ALS Labs, the samples will undergo rigorous analyses, including assays for copper, silver, gold, and other pertinent elements, to accurately assess the mineral content and support ongoing exploration efforts at Majuba Hill.
“We are pleased with the steady progress of our drilling operations at Majuba Hill, a crucial step towards advancing the project toward a new NI 43-101 mineral resource estimate,” David Greenway, CEO of Giant Mining, commented. “The scale and potential of this system continue to impress, and this phase of drilling is critical in unlocking further value for our shareholders.
“It’s also worth noting that copper has recently surpassed USD $5.25 per pound, Gold has surpassed $3,100 per ounce and Silver has surpassed $35 per ounce, the value proposition of our project grows significantly. This increase enhances the in-situ value of our mineralised rock year over year and reinforces the importance of advancing exploration at Majuba Hill, Nevada USA.”
As previously reported in the March 17, 2025 news release, the 2025 Core Programme has been designed to follow up on high-grade copper mineralisation intersected in breccias from the 2024 core holes MHB-30 and MHB-31 and extend the high-grade copper zones below the historic underground workings.
“The upper portion of MHB-32 is encouraging,” E.L. “Buster” Hunsaker, Senior Consulting Geologist, added. “This hole is targeting the magmatic-hydrothermal breccia bodies intersected in 2024 core hole’s MHB-30 and MHB-31which targeted a prominent breccia zone within the western >0.50% copper zone. We anticipate that MHB-32 will further delineate the mineralised zone and potentially confirm deeper extensions of the copper system at Majuba Hill.”
The Company will provide regular updates as the drill programme progresses, including assay results, geological observations, and any significant developments encountered during drilling. These updates will keep shareholders and stakeholders informed on the advancement of the Majuba Hill project and its potential to support a future resource estimate.
The Company utilises a QA/QC programme using best industry practices at the Majuba Hill Project. The samples are placed in cloth or plastic sample bags and are transported from the Majuba Hill Project to the Giant Mining secure warehouse for core sawing and processing and then samples are delivered to the ALS Labs sample prep facility in Elko, Nevada. ALS then transports the prepared pulps to their analytical lab in North Vancouver, B.C.
Drill core samples are sawn in half lengthwise and one half is placed in labelled cloth sample bags. All samples are analysed for copper, gold, silver, and 33 other elements. Gold is determined by ALS Labs method Au-AA23 which is a fire assay with an AAS finish on a 30-gram split. Copper, silver, and the remaining 31 elements are determined by ALS Labs method ME-ICP61 which is a four-acid digestion and ICP-AES assay. Approximately 10% of the submitted samples are drill duplicates and copper-gold-porphyry commercial standard reference material pulps. The remaining sample pulps are retrieved from ALS Minerals and retained by the Company for future metallurgical testing.
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