Modern cool-water carbonates on a coastal platform of Northern Brittany, France: Carbonate production in macrophytic systems and sedimentary dynamics of bioclastic facies

1998 ◽  
Vol 28 (4-6) ◽  
pp. 151-166 ◽  
Author(s):  
Achim Wehrmann
Keyword(s):  
Carbonate Production ◽  
Cool Water ◽  
Sedimentary Dynamics ◽  
Coastal Platform

scholarly journals Cool-water Carbonate Production from Epizoic Bryozoans on Ephemeral Substrates

Palaios ◽  
2000 ◽  
Vol 15 (1) ◽  
pp. 33-48 ◽  
Author(s):  
S. J. HAGEMAN ◽  
N. P. JAMES ◽  
Y. BONE
Keyword(s):  
Carbonate Production ◽  
Cool Water ◽  
Water Carbonate

Platform drowning leading to cool-water carbonate deposition: evolution of a Late Ordovician (Turinian–Chatfieldian) mixed-sediment platform within the Taconic orogen (Long Point Group, Newfoundland Appalachians)

2018 ◽  
Vol 55 (9) ◽  
pp. 1036-1062 ◽  
Author(s):  
George R. Dix ◽  
Elliott T. Burden
Keyword(s):  
Point Group ◽  
High Energy ◽  
Late Ordovician ◽  
Coarse Grained ◽  
Carbonate Production ◽  
Cool Water ◽  
Platform Drowning ◽  
Mixed Sediment ◽  
Laurentian Margin ◽  
Water Carbonate

Late Ordovician (Turinian–Chatfieldian) drowning of a mixed carbonate–siliciclastic platform within the Taconic Orogen (Newfoundland Appalachians) is recorded by net deepening of an initial warm, shallow-water platform succession (Lourdes Formation) culminating in a metre-scale thick condensed interval that characterizes a drowning succession punctuated by storm deposits. Composition of transported material suggests that seaward drowning was coupled with back-stepping of a high-energy carbonate factory related to hinterland uplift and erosion that would eventually lead to drowning of the outer platform beneath marine-transported siliciclastic sediments (Winterhouse Formation). In the new offshore shelf setting, a sparse reciprocal stratigraphy of fine- to very coarse-grained phosphatic carbonate and mixed sediment is interpreted to document gravity-flow deposition downgradient from either a sustained or episodically developed high-energy cool-water carbonate source along the inner shelf. Transported carbonate was cemented rapidly at temperatures no warmer than 16 °C–23 °C, possibly within a seasonal oceanic thermocline. An upsection decrease in abundance of carbonate by the early Edenian is associated with a dramatic increase in siliciclastic supply. The Turinian–Edenian succession of platform drowning, oceanographic transition to cool-water carbonate production, and, later, its termination by increased siliciclastic supply reflects a first-order tectonic control proximal to uplift within the Taconic Orogen. Similar structural and oceanographic changes along the contemporary distal Laurentian margin provides the basis, with improved biostratigraphic control, for future analysis of the significance of proximal–distal stratigraphies in response to regional foreland tectonism.

A new potential of calcium carbonate production induced by Bacillus sphaericus in batch fermentation

2018 ◽  
Vol 10 (9) ◽  
Author(s):  
Nuraiffa Syazwi Adzami ◽  
◽  
Miskiah Fadzilah Ghazali ◽  
Amira Hidayati Ramli ◽  
Husnul Azan Tajarudin ◽  
...  
Keyword(s):  
Calcium Carbonate ◽  
Batch Fermentation ◽  
Bacillus Sphaericus ◽  
Carbonate Production

Waste Disposal in the Sea off Southern California

1986 ◽  
Vol 18 (11) ◽  
pp. 1-9 ◽  
Author(s):  
Willard Bascom
Keyword(s):  
Waste Water ◽  
Coastal Waters ◽  
Southern California ◽  
State Standards ◽  
Waste Streams ◽  
Cool Water ◽  
Water Research ◽  
The Pacific ◽  
Steady Improvement ◽  
Deep Cool

Southern California, with a coastal population of 12 million people, releases about 4.4 million cubic meters of treated waste water into the Pacific every day via outfalls that discharge three to six kilometers offshore at a depth of 60 meters. Diffusers cause each liter of waste to be diluted by 150 liters of deep cool water preventing it from reaching the surface except for short periods in winter. Data on the constituents of the four largest waste streams are presented and a brief account of the research done by the Southern California Coastal Water Research Project is given. Although the waste water now discharged meets rigorous state standards (with minor exceptions) and the steady improvement in sea conditions over a decade has been well documented, there is a continuing debate over whether our coastal waters are adequately protected. This is primarily because the damaging effects of DDT and PCBs that were discharged more than 14 years ago have been slow to go away. Although the amounts of DDT and PCB in sea animals are only one- tenth what they were a decade ago they tend to obscure the value of the improvements and the present discharge practices. The alternatives to sea disposal seem likely to cause greater damage to the overall environment.

POTENTIAL COOL WATER ORIGINS OF A PERMIAN CARBONATE UNIT IN THE ALEXANDER TERRANE, ALASKA

2016 ◽  
Author(s):  
M. May ◽  
◽  
David M. Rohr ◽  
James F. Baichtal ◽  
Robert B. Blodgett
Keyword(s):  
Cool Water ◽  
Alexander Terrane

CARBONATE MUD, GLORIOUS MUD FROM THE SHALLOW COOL-WATER MARINE REALM, SOUTH AUSTRALIA

2017 ◽  
Author(s):  
Laura G. O'Connell ◽  
◽  
Noel P. James
Keyword(s):  
South Australia ◽  
Cool Water ◽  
Marine Realm

scholarly journals Greener production of dimethyl carbonate by the Power-to-Fuel concept: a comparative techno-economic analysis

2021 ◽  
Author(s):  
Hong Huang ◽  
Remzi Can Samsun ◽  
Ralf Peters ◽  
Detlef Stolten
Keyword(s):  
Economic Analysis ◽  
Dimethyl Carbonate ◽  
Carbonate Production

Techno-economic performances of four different dimethyl carbonate production pathways are analysed based on the Power-to-Fuel concept.

Lithofacies analysis, sedimentary dynamics and genesis of Maastrichtian-Eocene phosphorites of BouCraa deposit (southern Morocco)

2021 ◽  
pp. 104161
Author(s):  
Mohammed Amine Nguidi ◽  
Mustapha Mouflih ◽  
Abdelmajid Benbouziane ◽  
László Kocsis ◽  
Salem El Ouariti ◽  
...  
Keyword(s):  
Sedimentary Dynamics
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