Ann: Lithium and Niobium Anomalies Defined at Mt Gordon, page-12

thanks....mighta been a bit too quick to sell

from chat gpt....

Niobium is a naturally occurring element found in various types of rocks and soils. Its background levels in the environment can vary depending on geographical location and the type of geological formations present. Here are some typical background levels of niobium in different environmental contexts:Soil: Niobium concentrations in soil typically range from 1 to 20 parts per million (ppm). In some specific regions with niobium-rich geological formations, these levels can be higher.Rocks:Granites: Niobium concentrations in granitic rocks can range from 2 to 20 ppm.Basalts: Basaltic rocks generally have lower niobium content, ranging from 0.5 to 5 ppm.Shales: Shales can have niobium concentrations ranging from 5 to 25 ppm.Sediments: River and lake sediments often reflect the niobium content of the surrounding soils and rocks, with typical concentrations ranging from 1 to 10 ppm.Water: Niobium concentrations in natural waters are generally very low, often less than 1 part per billion (ppb). In some areas, particularly those near niobium mining or processing activities, these levels might be slightly higher but still typically remain in the low ppb range.Air: The concentration of niobium in the air is usually negligible under normal environmental conditions. Airborne niobium levels might be higher in areas near niobium mining or industrial processing facilities.These background levels are important for environmental monitoring and risk assessment, especially in regions where niobium mining and processing occur. It helps in understanding the natural baseline concentrations and identifying any potential anthropogenic contributions to niobium levels in the environment.