A space to discuss aspects of the Caribbean geology, ore potential of the ophiolite belts, etc.
Tuesday, June 24, 2025
https://youtu.be/Y8keyJVSC6I
Mississippi-Valley Type (MVT) lead-zinc deposits offer significant opportunities for mineral exploration, especially in geologically promising regions like Newfoundland and Labrador. These deposits are highly attractive targets for prospectors due to their potential for high-grade ore, with commercially viable mines typically requiring an overall zinc grade greater than 8% and ore beds exceeding 15% zinc, along with mining thicknesses greater than 3 meters. Often, these valuable targets are buried, but their presence can be indicated by subtle geological clues in overlying rocks, such as minor mineralization and the process of dolomitization, or by their proximity to faults and fold domes.
This video guide will walk you through the essential strategies and practical techniques used by geologists and prospectors to identify and evaluate these rich lead-zinc occurrences. You'll learn how to recognize key minerals like galena and sphalerite, understand the significance of alteration patterns, and utilize various exploration methods including geological mapping, geochemical sampling, geophysical surveys, and targeted drilling. Discover valuable insights that go beyond surface indications, drawing on real-world approaches to enhance your understanding and success in the exciting field of base metal exploration.
P. Geo. Ricardo A Valls, M. Sc. and Geo Gadfly
Valls Geoconsultant
ORCID ID- https://orcid.org/0000-0002-5421-0914
Scopus Author ID: 7003369619/35335510700
ResearcherID: S-6604-2018
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