The researchers considered several existing hypotheses in the context of their overall observations, which suggest a meaningful presence of iron - sulfate rich soils, which are wet compared to Mars» typically desiccated soil. (sciencedaily.com)
Management of Eagle Plains considers the Iron Range Project to hold excellent potential for the presence of both iron - oxide gold and Sullivan - style lead - zinc - silver sedimentary - exhalative (SEDEX) mineralization. (resourceworld.com)
These salts take on their color due to the presence of iron oxide and their abundance of essential trace minerals. (drjockers.com)