Results 141 to 150 of about 52,937 (266)

A tale of two microbialites: Stromatolites and microbially induced sedimentary structures

open access: yesSedimentology, EarlyView.
ABSTRACT Microbialites are biosedimentary structures built by microbial mats. Five microbialite groups are distinguished: stromatolites, thrombolites, dendrolites, leiloites and microbially induced sedimentary structures (MISS). This contribution discusses the two most abundant microbialite groups in marine settings, stromatolites and MISS.
Nora Noffke, Stanley M. Awramik
wiley   +1 more source

Hydrological summary for the United Kingdom: January 2012 [PDF]

open access: yes, 2012
The monthly summary of hydrological conditions in the United Kingdom is compiled as part of the National Hydrological Monitoring Programme (a joint CEH and BGS enterprise).
Marsh, Terry   +2 more
core  

Marine siliceous ecosystem decline led to sustained anomalous Early Triassic warmth. [PDF]

open access: yesNat Commun, 2022
Isson TT   +6 more
europepmc   +1 more source

Occurrence and distribution of barite in the permo-triassic siksikpuk formation along the Brooks Range haul road [PDF]

open access: yes, 1980
Barite commonly occurs in Permian to Triassic age rocks along the north flank of the Brooks Range. The Siksikpuk Formation (Wolfcampian to lowest Guadalupian age) is noted for its barite and is well exposed in the vicinity of Galbraith Lake along the ...
Payne, M.W.
core  

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