Drowned/Submerged Reefs

Joanie Kleypas kleypas at sage.cgd.ucar.edu
Wed May 28 11:55:26 EDT 1997


Here is a call-for-information from anyone with knowledge of "drowned" 
or "submerged" reefs in any ocean.

Bill Precht and I (J Kleypas) are compiling a database of known and 
suspected drowned and submerged reefs of either Holocene or Pleistocene 
age.

I have managed to glean a bit of information from the literature,
most of which addresses the Caribbean area (see Table 1 below).  

IF ANYONE KNOWS OF ANY DROWNED OR SUBMERGED REEFS (or features 
suspected of being reefs) NOT LISTED IN THE TABLE BELOW, COULD 
YOU PLEASE SEND ME AN E-MAIL WITH THE FOLLOWING INFORMATION?

******************************************************************
please send any responses directly to:   kleypas at ncar.ucar.edu 
******************************************************************

We are looking for both published and non-published information, 
and will certainly acknowledge any information you might have in 
providing any of the following:

   LOCATION:
   LAT & LON:
   DEPTH (m):
   SUSPECTED AGE (if known):
   MEASURED AGE (if measured):
   REFERENCE (if published):
   HOW FEATURE WAS DETECTED (e.g. SCUBA, submersible, ROV):
   ADDITIONAL INFORMATION (e.g. size or length of feature, any
   currently coral growth on the feature, any samples collected)


TABLE 1.  Reported ages and Depths of drowned or submerged reefs.
=========================================================================
SITE                 AGE    DEPTH    SOURCE                          DATE
                     kyr      m
-------------------------------------------------------------------------
INDO-PACIFIC 

Madagascar           5-15            Hoeblich                        1989 
W shelf India               60-110   Vora, Almeida                   1990 
NW Hawaii            17              Ludwig, Szabo, Moore, Simmons   1991 
Ka Lae, Hawaii       13.9   160      Moore, Normark, Szabo           1990 
Kealakekua Bay       13     150      Moore, Fornari                  1984 
GBR                         40-150   Harris, Davies                  1989 
Marquesas Is                95       Rougerie, Wauthy, Rancher       1992 

CARIBBEAN

Cat Is, Bahamas             20-30    Dominguez, Mullins, Hine        1988 
Flower Gardens              15-36    Bright, Kraemer, Minnery, Viada 1984 
SE Florida           7-10            Lighty                          1985 
SE Florida           7      15-30    Lighty                          1978 
E Caribbean                 30-80    Macintyre                       1972 
Puerto Rico, SW      Plei   55,80    Seiglie (M-88)                  1968 
Cay Sal Bank                20-30    Hine, Steinmetz                 1984 
Grenadines, E shelf  Holo            d'Anglejan, Mountjoy (M-88)     1973 
Barbados, W coast           40       Macintyre (M-88)                1967 
Jamaica, S coast            40       Goreau, Burke (M-88)            1965,66 
Jamaica, N coast            80       Goreau (M-88)                   1961 
Virgin Bank                 50       Donnelly (M-88)                 1965 
Western Guiana              80-120   Nota (M-88)                     1958 
=========================================================================
M-88 indicates references cited in: 
Macintyre, IG.  1988.  Modern coral reefs of western Atlantic: 
new geological perspective.  AAPG Bull 72: 1360-1369.


Many thanks in advance for your information,

Joanie Kleypas & Bill Precht

****************************************************************************
J. Kleypas
Climate Change Research Section
National Center for Atmospheric Research
PO Box 3000
Boulder, CO  80307-3000

PH:   (303) 497-1615
FAX:  (303) 497-1348

kleypas at ncar.ucar.edu
****************************************************************************
Bill Precht
10570 NW 27th St
Suite 101
Miami, FL  33172
PH:   (305) 599-3141
FAX:  (305) 599-3143
****************************************************************************



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