Correlations between faunal and sedimentary features and depositional environments
in the Upper Permian strata of the Guadalupe Mountains

(Data partially adapted from Newell and others (1953) and Schmidt (1977))

C = common; P = present; R = rare; * indicates feature is generally or always detrital or allochthonous.
Absence of any symbol indicates feature is absent or extremely rare

Relative abundance in stratigraphic unit and/or environment

FEATURE
ARTESIA GROUP
CAPITAN LIMESTONE
 BELL CYN.
 

Sabkha-Lagoon
Facies

Pisolite Facies

Near Back-Reef

Reef Crest
Facies

Upper Forereef
Facies

Lower Forereef
 Facies

Basin
Facies

Fauna:

Ostracods

P

R

P

R

R

R

R

Calcispheres

C

P

P

     

P

Stromatolites

P

P

R

P

P

   

Dasyclad algae

 

R

C

R

R*

R*

 

Fusulinids

 

P

C

R

R*

R*

P

Other Foraminifera

P

R

P

P

R

R

R

Gastropods

 

R

C

P

R

   

Pelecypods

 

R

C

P

     

Red Algae

   

P

C

P

   

Echinoderms

 

R

C

C

P

P

R

Brachiopods

   

P

P

P

C

R

Calcareous Sponges

   

P

C

C

P*

 

Hydrozoans

   

P

C

C

   

Tubiphytes

   

P

C

C

   

Bryozoans

     

C

C

P

 

Ammonoids

   

R

R

R

R

R

Solitary Corals

     

P

P

R

 

Phylloid Algae

     

C

     

Siliceous Sponges

         

C

P

Conodonts

         

R

P

Radiolarians

           

P

Fish

           

R

Carbonate Rocks:

Boundstone

P

 

R

C

C

P*

 

Grainstone

 

C

C

P

P

P

 

Packstone

R

C

P

P

R

C

P

Wackestone

P

P

P

P

C

C

C

Mudstone

C

P

P

R

R

P

C

Non-Carbonate Rocks:

Shale

C

         

C

Siltstone

C

P

R

   

P

C

Sandstone

C

P

R

   

P

C

Organic-rich units

R

       

P

C

Grain Types:

Skeletal

R

P

C

C

C

P

P

Pelletal

C

R

P

P

P

R

 

Pisolitic / oolitic

R

C

P

       

Intraclastic

R

P

P

C

C

P

R

Sedimentary Structures:

Lamination

C

R

R

   

P

C

Bedding

C

C

P

 

R

P

C

Synsedimentary fractures

   

P

C

C

   

Channels

   

P

?

C

P

C

Cross-bedding

 

R

P

 

R

P

P

Graded Bedding

   

R

 

R

P

P

Collapse breccias

C

     

C

P

 

Tepee Structures

 

C

         
Diagenetic Features:

Marine Cements

   

P

C

C

P

 

Dolomitization

C

C

P

 

P

P

 

Evaporite nodules

C

R

   
R
P
R

Evaporite cements

P

C

C
  
P
R

Freshwater Cements

R

C

P

       

Chertification

       

P

C

C

Late calcitized evaporites

C

C

R
  
C
P
R

Late-stage silica

R

 

 

       

Primary Porosity

P

R

P

     

C

Secondary Porosity

C

R

C

R

P
R
R

 

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