@article{fdi:42900, title = {{C}retaceous history of {P}acific basin guyot reefs : a reappraisal based on geothermal endo-upwelling}, author = {{R}ougerie, {F}rancis and {F}agerstrom, {J}.{A}.}, editor = {}, language = {{ENG}}, abstract = {{T}he mid-cretaceous histories (origin, growth, death) of algal-rudist-stromatoporoid reef communities located on many {P}acific basin guyots are complex and controversial. {T}hese shallow water, tropical communities originated on volcanic edifices extruded during the {B}arremian-{A}lbian, grew upward during edifice subsidence/trangression throughout the {A}ptian, {A}lbian and {C}enomanian and several of them died almost synchronously near the {C}enomanian-{T}uronian boundary. {D}uring their periods of origin and growth, we postulate that the reef ecosystem received dissolved oxygen by wave surge and nutrients by geothermal endo-upwelling. {B}y this process oceanic waters of intermediate depth (approx. 500-1500m) were : (a) drown into the weathered and fractured volcanic summit and lower part of the older reef and driven upward through the porous framework bythe remnant geothermal gradient of the volcanic foundation and (b) emerged atthe reef surface to support the high metabolism of the living community. ({D}'apr{\`e}s r{\'e}sum{\'e} d'auteur)}, keywords = {{RECIF} {CORALLIEN} ; {CIRCULATION} {OCEANIQUE} ; {GEOLOGIE} {MARINE} ; {CRETACE} ; {ENDO} {UPWELLING} ; {PACIFIQUE} {BASSIN}}, booktitle = {}, journal = {{P}aleogeography, {P}alaeoclimatology, {P}alaeoecology}, volume = {112}, numero = {}, pages = {239--260}, ISSN = {0031-0182}, year = {1994}, DOI = {10.1016/0031-0182(94)90075-2}, URL = {https://www.documentation.ird.fr/hor/fdi:42900}, }