Atlas of Microbial Mat Features Preserved within the by Juergen Schieber, Pradip K. Bose, P.G. Eriksson, Santanu

By Juergen Schieber, Pradip K. Bose, P.G. Eriksson, Santanu Banerjee, Subir Sarkar, Wladyslaw Altermann, Octavian Catuneanu

Drawing on a mixture of contemporary occurrences and certain historic opposite numbers, this atlas is a treatise of mat-related sedimentary positive factors that one may well count on to work out in old terrigenous clastic sedimentary successions. by way of combining sleek and historic examples, the relationship is made to most likely formative techniques and the usage of those gains within the interpretation of historic sedimentary rocks.

* the 1st complete compilation of microbial mat features/structures preserved within the sliciclastic rock record
* top of the range, complete colour images absolutely help the text
* smooth and historical examples attach the formative tactics and usage of mat-related positive factors within the interpretation of sedimentary rocks

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Extra info for Atlas of Microbial Mat Features Preserved within the Siliciclastic Rock Record, Volume 2

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Structure marking the shoreline of a hypersaline lagoon. Some mat chips lie upside down on muddy substrate of the lower terrace. Photo: Nora Noffke. (D) Microbial mat chips accumulating behind stands of halophytes. Photo: Nora Noffke. (E) Subaqueous erosion-edge of mat, and reworking of mat; loose and thin mats growing on soft muddy sediments producing fragile mat chips. Photo: Nora Noffke. Locality of photos: A, B – Mellum Island, southern North Sea coast (Germany); C – Sabkha Bou Jemel, southern Tunisia; D – Sidi Slim, Djerba, southern Tunisia; E – Sabkha Bou Jemel, southern Tunisia.

A) Surface of a shallow water mat built-over by slime threads and bubbles. Bubbles coated by biofilms. Pinnacles grow on bubble surfaces and the basic mat. Photo: K. Bröhldick (colour-adapted). (B) Close-up of bubbles captured by biofilm. ) are abundant. Photo: E. Ahrensfeld (colour-adapted); modified after photo published in Gerdes and Klenke (2003; courtesy of Assoc. Geoaustria). (C) Three-dimensional scum expanding from the surface of a shallow water mat into the surficial water. Slime-enriched threads, films and bubbles provide various interfaces and three-dimensional spaces for the bacterial front to move into the pelagic realm.

G) Crack morphology resembling a bird’s foot, developed in pseudo-rippled and blistered surface patterns of a mat (table cloth-like features, see Figure 2-2-3). Knife is 20 cm long. Photo: Nora Noffke. (H) Widely spaced polygonal cracks, margins elevated due to microbial bulges (see Figure 2-1-6) and contoured by pinnacles (Figure 2-1-4) confined to polygon edges. Reticulate patterns (Figure 2-1-5) shimmer through a mixture of salt crystals and microbial slimes covering polygon surfaces. Knife is 15 cm long.

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