Klappa, CF 1979: Lichen stromatolites: criterion for subaerial exposure and a mechanism for the formation of laminar calcretes (caliche). - Journal of Sedimentary Petrology49: 387-400. [RLL List # 108-48 / Rec.# 10144] Keywords: STROMATOLITES/ SAXICOLOUS/ WEATHERING/ DATING/ COLONIZATION/ SUCCESSION
Abstract: 5 figures. ["The petrographic studies reveal that saxicolous (rock substrate) lichens cause characteristic textural and fabric changes of the colonized substrate." Thus recognizing these lichen stromatolites can aid workers who wish to delineate former land surfaces in ancient successions. Studies were done on Pleistocene and Recent calcretes from the western Mediterranean coastal areas.]
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