Interpretation of Mineral Zoning in Submarine Hydrothermal ...
The siliceous ore is rich in quartz but poor in barite, although barite veinlets that formed later than the siliceous ore occur in this zone. Barite is abundant in both the black ore and barite ore. It is also found in ferruginous chert ore (Kalogeropoulos & Scott, 1983). Quartz does not exist in large amounts in massive sulfide ores (black and ...