Assertion: siderite | /r/CapableOf | form under anoxic conditions
Facets:
Source sentences:
text: Siderite can only form under anoxic conditions due to the need for reduced, ferrous/dissolved or iron (Fe2+) to react with carbonate ion (CO 3 2); dissolved iron is rapidly oxidized in the presence of oxygen (Bachan & Kump, 2015).