A-star B2 chopper, explorers' chosen mode of transportation in remote parts of Alaska including the Arctic VMS copper project.
Snowline's Valley gold project in the northeastern Yukon
Multi million ounces Ikkari gold project in Finland operated by Rupert Resources
Multi-million ounces Silicon-Merlin Gold Project, Nevada operated by AngloGold Ashanti
Kansanshi copper mine, Zambia operated by First Quantum Minerals
Old Sacaton open pit copper mine in southern Arizona is now part of the Cactus-Parks/Salyer copper project operated by Arizona Sonoran Copper Company
Drilling for Cadia-style copper-gold porphyry targets undercover in the northern extensions of the Macquarie Arc with Inflection Resources in New South Wales
Drill rig testing the high tonnage but low grade Haib copper deposit in southern Namibia
High grade disseminated copper sulfide and in fractures hosted by ultramfic rocks at Tamarack magmatic Ni-Cu-PGE-Au project in Minnesota
Porphyry-style high grade copper and gold stockwork veins at the Mankayan project in the Philippines
Large spodumene crystals at Wabamisk East prospect in northern Quebec
Coarse grained gold (200x) in a quartz vein from Sunday Creek, Victoria, Australia
Massive sulfides with copper and gold, silver from Ming deposit in NFLD, Canada
High grade core from the Fourmile gold deposit in Nevada

Independent.
Unbiased.
Technical.


Analyzing the junior mining and exploration sector for the sophisticated speculator


Subscribe for US$170/month

Latest Subscriber Newsletter

Issue No. 859 – April 19, 2026

Global markets breathed a sigh of relief Friday morning after Iran's Foreign Minister declared the Strait of Hormuz "completely open" … until it wasn’t. 

Within 48 hours, conflicting signals from the US administration and a counter-response from the Iranian Revolutionary Guard turned commercial traffic into a game of U-turns at sea. 

And people still think commodity trading is about spreadsheets.

In the Weekly Market Digest, US equity markets rallied to new 52-week highs while volatility declined, as investors priced in the perceived reopening of the Strait of Hormuz and the associated drop in oil prices. But now that optimism looks premature. Industrial and critical minerals rallied alongside equities leveraged to electrification and non-carbon energy. A weaker US dollar and lower real interest rates lifted precious metals and their associated equities. But note the news of the closure of the critical chokepoint for energy and other products will reverse some of these moves on Monday.  

The Exploration Insights Portfolio delivered a strong return, outperforming the major resource equity ETFs. Performance was driven by outsized gains from a Kazakhstan-focused grassroots copper-gold explorer and a US-based critical mineral producer. 

The Rant centers on a (better late than never) 2025 review of the financial performance of a peer group of North American-listed precious metal equities; therefore, I will defer several updates until next week from a pair of silver-dominant developers in Argentina and Chile, including a milestone technical report published by a rare earth developer.

"Excellent letter guys, thanks! I think it's one of the best letters ever in newsletter history."  Paul van Eeden...
Login Subscribe

© 2026 Exploration Insights
All rights reserved.
Disclaimer

Subscribe to our Email List

Sign up for our mailing list to receive the free Speculator's Checklist for Investing in Junior Mining report right away. Occasionally, we will also send you emails with links to interviews, articles, and more.

  Marketing permission*: I give my consent to to be in touch with me via email using the information I have provided in this form for the purpose of news, updates and marketing.