Fig. 10From: Manganese carbonate stromatolites of the Ediacaran Doushantuo Formation in Chengkou, northern Yangtze Craton, ChinaCharacteristics of terrigenous clastic and intraclastic layers in the Chengkou manganese stromatolites. a Intraclast rhodochrosite, including stromatolite intraclasts, which are cemented by an argillaceous matrix; sample ZK02-b04; b Detrital quartz layer in the laminae of stratiform-columnar stromatolites; sample ZK05-b5–2Back to article page