Abstract
Oxide ores of the global ocean — cobalt-rich crusts and ferromanganese nodules are of bacterial origin and identified as stromatolites and onkolites. Pillar structure of ferromanganese stromatolites and festoon-shaped structures of onkolites represent the bacterial mats, formed by interbedding of fossilized bacterial biofilms. The appearance of ore-forming types of procaryotic family and their evolution are defined by major biosphere events. On the case study of the ferromanganese nodules of Magellanic mountains and cobalt-rich crusts of the province of the Clarion-Clipperton, the main stages of the evolution of structural forms of bacterial communities have been revealed. It has been shown that the change of phases happened due to the influence of major tectonic, volcanic and other geological events.
Highlights
Îêñèäíûå ðóäû îêåàíà — êîáàëüòîíîñíûå êîðêè (ÊÌÊ) è æåëåçîìàðãàíöåâûå êîíêðåöèè (ÆÌÊ) èìåþò áàêòåðèàëüíóþ ïðèðîäó è èäåíòèôèöèðóþòñÿ êàê ñòðîìàòîëèòû è îíêîëèòû
Oxide ores of the global ocean — cobalt-rich crusts and ferromanganese nodules are of bacterial origin and identified as stromatolites and onkolites
New evidence of microbe origin for ferromanganese nodules from the East Pacific deep sea floor// Sciens in China (Series D)
Summary
Îêñèäíûå ðóäû îêåàíà — êîáàëüòîíîñíûå êîðêè (ÊÌÊ) è æåëåçîìàðãàíöåâûå êîíêðåöèè (ÆÌÊ) èìåþò áàêòåðèàëüíóþ ïðèðîäó è èäåíòèôèöèðóþòñÿ êàê ñòðîìàòîëèòû è îíêîëèòû. Ëîìîíîñîâà 1, Ëåíèíñêèå ãîðû, Ìîñêâà 119991, Ðîññèÿ e-mail: avdonin@geol.msu.ru, nat@geol.msu.ru Áîðèñÿêà ÐÀÍ 123, Ïðîôñîþçíàÿ óë., Ìîñêâà 117647, Ðîññèÿ e-mail: ezheg@paleo.ru Ñòîëá÷àòûå ñòðóêòóðû æåëåçîìàðãàíöåâûõ ñòðîìàòîëèòîâ è ôåñòîí÷àòûå îíêîëèòîâ ïðåäñòàâëÿþò ñîáîé áàêòåðèàëüíûå ìàòû, îáðàçîâàííûå ÷åðåäîâàíèåì ôîññèëèçèðîâàííûõ áàêòåðèàëüíûõ ïëåíîê.
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