J u m p t o c o n t e n t
M a i n m e n u
M a i n m e n u
N a v i g a t i o n
● M a i n p a g e
● C o n t e n t s
● C u r r e n t e v e n t s
● R a n d o m a r t i c l e
● A b o u t W i k i p e d i a
● C o n t a c t u s
● D o n a t e
C o n t r i b u t e
● H e l p
● L e a r n t o e d i t
● C o m m u n i t y p o r t a l
● R e c e n t c h a n g e s
● U p l o a d f i l e
S e a r c h
Search
A p p e a r a n c e
● C r e a t e a c c o u n t
● L o g i n
P e r s o n a l t o o l s
● C r e a t e a c c o u n t
● L o g i n
P a g e s f o r l o g g e d o u t e d i t o r s l e a r n m o r e
● C o n t r i b u t i o n s
● T a l k
( T o p )
1
N a m e
2
G e o g r a p h y a n d g e o l o g y
3
B i o l o g y
4
R e f e r e n c e s
T o g g l e R e f e r e n c e s s u b s e c t i o n
4 . 1
S o u r c e s
T o g g l e t h e t a b l e o f c o n t e n t s
C a p e J o h n s o n G u y o t
A d d l a n g u a g e s
A d d l i n k s
● A r t i c l e
● T a l k
E n g l i s h
● R e a d
● E d i t
● V i e w h i s t o r y
T o o l s
T o o l s
A c t i o n s
● R e a d
● E d i t
● V i e w h i s t o r y
G e n e r a l
● W h a t l i n k s h e r e
● R e l a t e d c h a n g e s
● U p l o a d f i l e
● S p e c i a l p a g e s
● P e r m a n e n t l i n k
● P a g e i n f o r m a t i o n
● C i t e t h i s p a g e
● G e t s h o r t e n e d U R L
● D o w n l o a d Q R c o d e
● W i k i d a t a i t e m
P r i n t / e x p o r t
● D o w n l o a d a s P D F
● P r i n t a b l e v e r s i o n
A p p e a r a n c e
C o o r d i n a t e s : 1 7 ° 0 8 ′ N 1 7 7 ° 1 5 ′ W / 1 7 . 1 3 3 ° N 1 7 7 . 2 5 0 ° W / 17.133; -177.250 [ 1 ]
F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
Cape Johnson Guyot is a guyot in the Pacific Ocean , more precisely in the Mid-Pacific Mountains , and the type locality of guyots. It is of middle Cretaceous age and a number of fossils have been dredged from it.
Name
[ edit ]
Cape Johnson Guyot is also known as Cape Johnson Seamount or Cape Johnson Tablemount.[2] The guyot was named by Harry Hammond Hess , after his ship the USS Cape Johnson ; Hess had also named the kind of flat-topped seamount "guyot " and another seamount was named after Hess himself.[3] The seamount was first described in a 1946 publication.[4] Both Hess and Cape Johnson were discovered during the same cruise[5] and Cape Johnson Guyot is the type locality of guyots .[6]
Geography and geology
[ edit ]
The seamount lies in the Mid-Pacific Mountains [7] on their southern side and is a submarine mountain with a flat top that rises[8] over 3,000 metres (10,000 ft )[9] to a depth of 1,692 metres (5,551 ft )[10] [11] -1,778 metres (5,833 ft ).[12] The flat top has an oval shape and a surface area of 6 by 12 nautical miles (11 km × 22 km; 6.9 mi × 13.8 mi );[13] it is characterized by a limestone dome on the summit, buried beneath sediments ; in turn a volcanic hill is buried within the limestone dome.[14] The top of the seamount has a hummocky appearance which has been interpreted as a sediment cover[15] and its southeastern sector has a bank -like shape that resembles that of an atoll .[16] Cape Johnson Guyot is considered to be of Middle Cretaceous age[17] with an age of 120 million years reported[18] and shallow-water fossils were emplaced on it at that time.[19]
Apatite ,[20] basaltic sandstone containing hypersthene ,[21] clay ,[22] limestone , manganese crusts ,[23] manganese oxide , phosphorite [24] and lithified carbonates have been found on Cape Johnson Guyot;[25] some carbonates of biogenic origin have been altered by apatite.[26] Globigerina ooze is also found on the seamount[27] and can reach substantial thickness; such accumulations might be formed by ocean currents .[28] Similar rocks have been found at other guyots of the Mid-Pacific Mountains.[29]
Biology
[ edit ]
During the Cretaceous , corals and rudists lived on Cape Johnson Guyot[30] and fossils have been dated to 91-112 million years ago;[31] some corals[32] and rudists are of Albian to Cenomanian age.[33] Fossils of anthozoa ,[34] gastropods , reef-building hexacorals ,[35] pelecypods , stromatoporoids [36] and Tridacna were also found.[37] The Cretaceous fossils [38] Actinostroma pacifica ,[39] Astrocoenia dietzi ,[40] Brachyseris montemarina ,[41] the caprinid rudists Caprina mediopacifica , Caprina mulleri [42] - including a detailedly described holotype of the latter[43] - and Cardita sp. ,[44] Lophosmilia fundimaritima ,[45] Montastrea menardii ,[46] Nerinea sp.[47] and Tiarasmilia casteri occur on Cape Johnson Guyot.[48] Caprina mulleri was also found on other Mid-Pacific Mountains.[49] About 300 species of extant foraminifera have been found on the seamount as well,[50] with additional fossil foraminifera[51] including Paleocene -Eocene specimens that were redeposited by ocean currents.[52] Finally, a cetacean bone of undetermined age has also been found on Cape Johnson Guyot.[53]
References
[ edit ]
^ BUDDINGTON, p.21
^ Hamilton 1956, p.18
^ Hamilton 1953, p.213
^ Marineregions 2019
^ Hamilton and Rex 1959, p.787
^ Hamilton 1953, p.213
^ Hamilton 1956, p.19
^ Hamilton 1953, p.213
^ Hamilton 1956, p.20
^ Hey and Grigg 1992, p.175
^ Hamilton 1956, p.20
^ Winterer, Sager and Firth 1995, p.436
^ Hamilton 1956, p.18
^ Hamilton 1956, p.20
^ Shields 1976, p.47
^ Morgan 1972, p.12
^ Winterer, Sager and Firth 1995, p.436
^ El Wardani 1958, p.240
^ Heezen and MacGregor 1973, p.667
^ Hamilton 1956, p.20
^ Hamilton 1953, p.213
^ Hill 2005, p.682
^ Fischer and Garrison 1967, p.489
^ Hamilton and Rex 1959, p.787
^ Hamilton 1953, p.213
^ Hamilton 1953, p.219
^ Heezen and MacGregor 1973, p.655
^ Hamilton 1959, p.1409
^ Hey and Grigg 1992, p.175
^ Löser 2010, p.158
^ Hamilton 1956, p.26
^ Hamilton 1956, p.22
^ Hamilton 1956, p.20
^ Hamilton 1956, p.22
^ UNIVERSITY OF CALIFORNIA SCRIPPS INSTITUTION OF OCEANOGRAPHY. p.5
^ Cairns 1991, p.31
^ Hamilton 1956, p.61
^ Cairns 1991, p.31
^ Cairns 1991, p.42
^ Sano et al. 2012, p.849
^ Masse, Sano and Skelton 2013, p.517
^ Cairns 1991, p.66
^ Cairns 1991, p.34
^ Hamilton 1956, p.59
^ Cairns 1991, p.64
^ Löser 2010, p.161
^ Masse, Sano and Skelton 2013, p.515
^ Hamilton 1953, p.207
^ Hamilton 1953, p.213
^ Hamilton 1953, p.219
^ Hamilton 1956, p.29
Sources
[ edit ]
Cairns, Stephen D. (1991). "Catalog of the type specimens of stony corals (Milleporidae, Stylasteridae, Scleractinia) in the National Museum, Smithsonian Institution". Smithsonian Contributions to Zoology (514): 1–59. doi :10.5479/si.00810282.514 . hdl :10088/5463 .
El Wardani, S. A. (1958-12-01). "Marine geochemistry of germanium and the origin of Pacific pelagic clay minerals". Geochimica et Cosmochimica Acta . 15 (3 ): 237–254. Bibcode :1958GeCoA..15..237E . doi :10.1016/0016-7037(58 )90061-9 . ISSN 0016-7037 .
Fischer, Alfred G.; Garrison, Robert E. (1967). "Carbonate Lithification on the Sea Floor". The Journal of Geology . 75 (4 ): 488–496. Bibcode :1967JG.....75..488F . doi :10.1086/627274 . ISSN 0022-1376 . JSTOR 30085007 . S2CID 140692191 .
Hamilton, E.L.; Rex, R.W. (1959). "Bikini and nearby atolls, Marshall Islands; lower Eocene phosphatized Globigerina ooze from Sylvania Guyot" . Professional Paper . doi :10.3133/pp260w . ISSN 2330-7102 .
Hamilton, Edwin L. (1953). "Upper Cretaceous, Tertiary, and Recent Planktonic Foraminifera from Mid-Pacific Flat-Topped Seamounts". Journal of Paleontology . 27 (2 ): 204–237. ISSN 0022-3360 . JSTOR 1300054 .
Hamilton, Edwin L. (March 1956), "Sunken Islands of the Mid-Pacific Mountains" , 64 : Sunken Islands of the Mid-Pacific Mountains , Geological Society of America Memoirs, vol. 64, Geological Society of America, pp. 1–92, doi :10.1130/mem64-p1 , retrieved 2019-06-17
Hamilton, Edwin L. (1 November 1959). "Thickness and Consolidation of Deep-Sea Sediments". GSA Bulletin . 70 (11 ): 1399–1424. doi :10.1130/0016-7606(1959)70[1399:TACODS]2.0.CO;2 . ISSN 0016-7606 .
Heezen, B.C.; MacGregor, I.D. (November 1973). "Western Pacific Guyots" . Initial Reports of the Deep Sea Drilling Project, 20 . Vol. 20. U.S. Government Printing Office. doi :10.2973/dsdp.proc.20.132.1973 .
Hey, Richard; Grigg, Richard W. (1992-01-10). "Paleoceanography of the Tropical Eastern Pacific Ocean". Science . 255 (5041): 172–178. Bibcode :1992Sci...255..172G . doi :10.1126/science.255.5041.172 . ISSN 0036-8075 . PMID 17756067 . S2CID 42274166 .
Hill, M. N. (2005). The sea. 3, The earth beneath the sea. history . Vol. 3. Cambridge, Massachusetts : Harvard University press. ISBN 0674017307 . OCLC 963997000 .
Löser, Hannes (November 2010). "Revision of the Cretaceous coral genus Tiarasmilia Wells, 1932 (Scleractinia)" . www.ingentaconnect.com . Retrieved 2019-06-17 .
"Cape Johnson Guyot (Guyot)" . www.marineregions.org . Retrieved 2019-06-17 .
Masse, Jean-Pierre; Sano, Shin-Ichi; Skelton, Peter W. (2013-05-01). "Rudist bivalves and the Pacific in the Late Jurassic and Early Cretaceous" . Journal of the Geological Society . 170 (3 ): 513–526. Bibcode :2013JGSoc.170..513S . doi :10.1144/jgs2012-017 . ISSN 0016-7649 . S2CID 128739401 .
Morgan, W. Jason (1972), "Plate Motions and Deep Mantle Convection" , Studies in Earth and Space Sciences , Geological Society of America Memoirs, vol. 132, Geological Society of America, pp. 7–22 , doi :10.1130/mem132-p7 , ISBN 9780813711324 , retrieved 2019-06-17
Sano, Shin-Ichi; Skelton, Peter W.; Watarai, Megumi; Iba, Yasuhiro; Kondo, Yasuo; Sato, Yuichiro (2012). "First record of an Early Barremian caprinid rudist from Japan – implications for the palaeobiogeography of the Caprinidae (Bivalvia)" . Palaeontology . 55 (4 ): 843–851. Bibcode :2012Palgy..55..843S . doi :10.1111/j.1475-4983.2012.01156.x . ISSN 1475-4983 .
Shields, O. (1976). "A summary of the oldest ages for the world's islands" . Papers and Proceedings of the Royal Society of Tasmania . 110 : 35–62. doi :10.26749/rstpp.110.35 . ISSN 0080-4703 .
UNIVERSITY OF CALIFORNIA SCRIPPS INSTITUTION OF OCEANOGRAPHY. "MIDPAC EXPEDITION August - September 1950 LIST OF CORES AND DREDGE SAMPLES" (PDF) . Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung .
Winterer, E.L.; Sager, W.W.; Firth, J.V.; Sinton, J.M., eds. (May 1995). "Early Cretaceous Rudist Fauna of Allison and Resolution Guyots, Mid-Pacific Mountains". Proceedings of the Ocean Drilling Program, 143 Scientific Results . Vol. 143. Ocean Drilling Program. doi :10.2973/odp.proc.sr.143.207.1995 .
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Cape_Johnson_Guyot&oldid=1214761422 "
C a t e g o r i e s :
● S e a m o u n t s o f t h e P a c i f i c O c e a n
● G u y o t s
H i d d e n c a t e g o r i e s :
● P a g e s u s i n g g a d g e t W i k i M i n i A t l a s
● A r t i c l e s w i t h s h o r t d e s c r i p t i o n
● S h o r t d e s c r i p t i o n m a t c h e s W i k i d a t a
● C o o r d i n a t e s o n W i k i d a t a
● T h i s p a g e w a s l a s t e d i t e d o n 2 1 M a r c h 2 0 2 4 , a t 0 0 : 2 0 ( U T C ) .
● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n .
● P r i v a c y p o l i c y
● A b o u t W i k i p e d i a
● D i s c l a i m e r s
● C o n t a c t W i k i p e d i a
● C o d e o f C o n d u c t
● D e v e l o p e r s
● S t a t i s t i c s
● C o o k i e s t a t e m e n t
● M o b i l e v i e w