The analytical results reveal that there are five sources of PGEs in coals: magmatic hydrothermal activation, low-temperature hydrothermal fluid, synsedimentary volcanic ash, erogenous supply, and seawater.

• 分析结果表明,煤中铂族元素主要是通过岩浆热液活动、低温热液流体、同沉积火山灰、陆源碎屑输入和海水等诸种地质作用形成的,前3种作用是造成煤中铂族元素异常的主要原因。