Reference : Why is stromatactis so rare in Mesozoic carbonate mud mounds?
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Multidisciplinary, general & others
http://hdl.handle.net/2268/676
Why is stromatactis so rare in Mesozoic carbonate mud mounds?
English
Neuweiler, F. [> > > >]
Bourque, P. A. [> > > >]
Boulvain, Frédéric mailto [Université de Liège - ULg > Département de géologie > Pétrologie sédimentaire >]
Oct-2001
Terra Nova
Blackwell Publishing Ltd
13
5
338-346
Yes (verified by ORBi)
International
0954-4879
Oxford
[en] The sedimentary-diagenetic structure stromatactis is wide-spread in Palaeozoic spiculitic carbonate mud mounds, but occurs only sporadically in Mesozoic sponge carbonate mud mounds. Comparative analysis of Palaeozoic and Mesozoic stromatactis limestones suggests that this variation results from the degree of siliceous sponge skeletal rigidity and the amount of internal sediment accumulation in the original cavity network. Partial to entire filling by internal sediment resulted in a continuum, from a small amount of internal sediment and large amount of cement (stromatactis, common in the Palaeozoic), to only internal sediments (aborted stromatactis, common in the Mesozoic). These observations match independent lines of evidence concerning the siliceous sponge evolution and sediment recycling (e.g. bioerosion) across the Palaeozoic to Mesozoic biotic revolution.
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http://hdl.handle.net/2268/676

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