Porphyry copper deposits
19:45
Volcanogenic massive sulphide (VMS) deposits
39:25
ORE DEPOSITS 101 - Part 3 - Porphyries, Skarns & IOCG
8:28
Perfect Alteration Indicator Porphyry
32:36
ORE DEPOSITS 101 - Part 1 - Introduction
59:50
Gold Geology Of Subduction Zones, North Cascades, Washington State
7:57
How to Identify Carbonates in the Field
17:01
I Found AGATE inside Porphyry!
55:52