The Canfield Ocean model was proposed by geochemist Donald Canfield to explain the composition of the ocean in the middle to late Proterozoic. In a paper...

the Canfield ocean, a model of oceans during part of the Proterozoic eon (a part specifically known as the Boring Billion) proposed by Donald Canfield, an...

game, Canfield Canfield, Arkansas Canfield, Colorado former name of Edison Park, Chicago, Illinois, a community area Canfield, Ohio, a city Canfield, Braxton...

sulfur instead of oxygen. This is known as a Canfield ocean. Such composition may have caused the oceans to be black- and milky-turquoise instead of blue...

and oceans. The Canfield ocean, a sulfidic partially oxic ocean existing during the middle of the Proterozoic eon, is named after him. Canfield was educated...

appearance of life forms with purple membranes prior to the turquoise of the Canfield ocean and later green photosynthetic organisms.[citation needed] The discovery...

pulse of the end-Ediacaran extinction. Ecology portal Anoxic waters Canfield ocean Hypoxia (environmental) – for links to other articles dealing with environmental...

the Paleoproterozoic ocean must have been anoxic and sulfidic at depth. This finding provides evidence for the Canfield Ocean hypothesis. Purple sulfur...

concentration in the atmosphere. Abrupt climate change Azolla event Canfield ocean Clathrate gun hypothesis Climate sensitivity Eocene Eocene Thermal Maximum...

that the deep ocean had become at least slightly oxygenated. The "Canfield ocean" model proposes that, to the contrary, the deep ocean became euxinic...