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A photo-album by Juan Carlos Braga and Bruno Granier

Miocene Halimeda Mounds: Microfacies

Halimeda microfacies

Halimeda segments embedded in clotted (? microbial) micrites and radial-fibrous marine cement

 

Halimeda microfacies 63KB © J.C. Braga & B. Granier

Halimeda microfacies 57KB © J.C. Braga & B. Granier

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 63KB © J.C. Braga & B. Granier

Halimeda microfacies

clotted (? microbial) micrites and radial-fibrous marine cement

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 57KB © J.C. Braga & B. Granier

Halimeda microfacies

radial-fibrous marine cement

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 52KB © J.C. Braga & B. Granier

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 85KB © J.C. Braga & B. Granier

Halimeda microfacies 66KB © J.C. Braga & B. Granier

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 82KB © J.C. Braga & B. Granier

Halimeda microfacies

with a Neomeris section (lower left)

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies

with coralline algae as secondary components

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 84KB © J.C. Braga & B. Granier

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 84KB © J.C. Braga & B. Granier

Halimeda microfacies

 

Halimeda microfacies 85KB © J.C. Braga & B. Granier

Halimeda microfacies 86KB © J.C. Braga & B. Granier

a large Halimeda segment

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 66KB © J.C. Braga & B. Granier

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 72KB © J.C. Braga & B. Granier

Halimeda microfacies 64KB © J.C. Braga & B. Granier

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 60KB © J.C. Braga & B. Granier

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 61KB © J.C. Braga & B. Granier

Halimeda microfacies

geopetal internal sediments, inside and outside Halimeda segments

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 75KB © J.C. Braga & B. Granier

Halimeda microfacies 61KB © J.C. Braga & B. Granier

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 84KB © J.C. Braga & B. Granier

Halimeda microfacies

bored Halimeda segment

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies

with a Bryozoan as secondary component

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 73KB © J.C. Braga & B. Granier

Halimeda microfacies

bioclastic cap facies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 86KB © J.C. Braga & B. Granier

Halimeda microfacies 74KB © J.C. Braga & B. Granier

Halimeda microfacies

with coralline algae as secondary components

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 76KB © J.C. Braga & B. Granier

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies

 

Halimeda microfacies 81KB © J.C. Braga & B. Granier

Halimeda microfacies 81KB © J.C. Braga & B. Granier

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 79KB © J.C. Braga & B. Granier

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 57KB © J.C. Braga & B. Granier

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 73KB © J.C. Braga & B. Granier

Halimeda microfacies

Upper Miocene

Sorbas, SE Spain

 

Halimeda microfacies 62KB © J.C. Braga & B. Granier

There are two key-papers dealing with this peculiar Halimeda facies:

Braga J.C., Martín J.M., & Riding R. [1996].- Internal structure of segment reefs: Halimeda algal mounds in the Mediterranean Miocene. Geology, Boulder, 24: 35-38.

Martín J.M., Braga J.C., & Riding R. [1997].- Late Miocene Halimeda alga-microbial segment reefs in the marginal Mediterranean Sorbas Basin, Spain. Sedimentology, Oxford, 44: 441-456.

Juan Carlos Braga
IFAA President (Years 2000-2003)
 
Universidad de Granada
Departamento de Estratigrafía y Paleontología
Facultad de Ciencias
Universidad de Granada
Campus Fuentenueva s/n
18002 Granada
(Spain)
 
Phone: 0034-958-243172
Email: jbraga@ugr.es

Bruno Granier
Petrography Expert
 
PDD-ZAKUM 7E18
ADMA-OPCO
P.O. Box 303
Abu Dhabi
(United Arab Emirates)
 
Phone: 00971-(0)2-6064827
Email: brunogranier@hotmail.com

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