Database of mineral deposits related to the Mesoproterozoic Midcontinent Rift System (MRS) in the northern United States and northern Ontario, Canada

The Midcontinent Rift System (MRS) of North America is one of the world’s largest continental rifts and has an age of 1.1 Ga (giga-annum). The MRS hosts a diverse...北美大陆内部裂谷系（Midcontinent Rift System, MRS）是全球规模最大的大陆裂谷系之一，其形成年代为11亿年（Ga，十亿年）。该裂谷系赋存着多样的……