Redwall Limestone (Oblitic and Crinoidal Lithology)
Oblitic and Crinoidal Lithology.
Both thin section images were taken at a 400x magnification.
no date
Western Minerals Inc.
GC-10
Redwall Limestone (green conglomerate lithology)
Fine-grained limestone with occasional fossil remains.
Both thin section images were taken at a 400x magnification.
no date
Western Minerals Inc.
GC-11
Chert
Collected from the Redwall Formation, this is a highly silicious sample defined in the suite's documentation as chert, but the sample lacks the nano-crystalline appearance of a traditional chert. It appears to be more of a slightly metamorphosed quartzose sandstone.
Modal Abundances:
Quartz (95%)
Matrix (5%)
Both thin section images were taken at a 400x magnification.
no date
Western Minerals Inc.
GC-12
Redwall Limestone (Conglomerate)
Though listed as a limestone, this sample is best described as a conglomerate with calcite present in the matrix. This sample was collected from a bed of conglomerate lithology just below contact with Supai formation.
Both thin section images were taken at a 400x magnification.
no date
Western Minerals Inc.
GC-13
<em>Rayonnoceras solidorme</em> (nautilus)
Kingdom: Animalia<br /> Phylum: Mollusca <br /> Class: Cehpalopods <br /> Subclass: Actinoceratoidea <br /> Order: Actinocerida <br /> Family: Carbactinoceratidae <br /> Genus: <em>Rayonnoceras</em> <br /> Species: <em>solidiorme</em> <br /><br />
2nd floor hallway, display case 9
DC9-3S-6
<em>Archimedes</em> (bryozoan)
Kingdom: Animalia<br />
Phylum: Bryozoa <br />
Class: Stenolaemata <br />
Order: Fenestrata <br />
Family: Fenestellidae <br />
Genus: <em>Archimedes</em> <br />
Species: <br /><br />
2nd floor hallway, display case 11
DC11-1S-2
<em>Spirifer pellaensis</em> (brachiopod)
Kingdom: Animalia<br /> Phylum: Brachiopoda <br /> Class: Rhynchonellata (Articulata) <br /> Order: Spiriferida <br /> Family: Spiriferidae <br /> Genus: <em>Spirifer</em> <br /> Species: <em>pellaensis</em> <br /><br />
2nd floor hallway, display case 13
DC13-2S-2
<em>Phanocrinus bellulus</em> (crinoid)
Kingdom: Animalia<br /> Phylum: Echinodermata <br /> Class: Crinoidea <br /> Subclass: Inadunata <br /> Order: Cladida<br /> Family: Phanocrinidae <br /> Genus: <em>Phanocrinus</em> <br /> Species: <em>bellulus</em> <br /><br />
2nd floor hallway, display case 13
DC15-2S-3
<em>Pentremites</em> (blastoid)
Kingdom: Animalia<br /> Phylum: Echinodermata <br /> Class: Blastoidea <br /> Order: Fissiculata <br /> Family: Codasteridae <br /> Genus: <em>Pentremites</em> <br /> Species: <br /><br />
2nd floor hallway, display case 13
DC15-3S-7A
<em>Lithostrotionella castelnaui</em> (coral)
Kingdom: Animalia<br /> Phylum: Cnidaria <br /> Class: Anthozoa <br /> Subclass: Rugosa <br /> Order: Stauriida <br /> Family: Petalaxidae <br /> Genus: <em>Lithostrontionella</em> <br /> Species: <em>castelnaui</em> <br /><br />
2nd floor hallway, display case 10
DC10-2S-1
<em>Orbitremites norwoodi</em>
Kingdom: Animalia<br />
Phylum: Echinodermata <br />
Class: Paracrinoidea <br />
Order: Spiraculata <br />
Family: <br />
Genus: <em>Orbitremites</em> <br />
Species: <em>norwoodi</em> <br /><br />
Room 145, Back Cabinet 4, Drawer 3
112
<em>Schizoblastus sayii</em>
Kingdom: Animalia<br />
Phylum: Echinodermata <br />
Class: Paracrinoidea <br />
Order: Spiraculata <br />
Family: <br />
Genus: <em>Schizoblastus</em> <br />
Species: <em>sayii</em> <br /><br />
Room 145, Back Cabinet 4, Drawer 3
113
<em>Platycrinites nodostriatus</em>
Kingdom: Animalia<br />
Phylum: Echinodermata <br />
Class: Crinoidea <br />
Order: <br />
Family: Platycrinitidae <br />
Genus: <em>Platycrinites</em> <br />
Species: <em>nodostriatus</em> <br /><br />
Room 145, Back Cabinet 4, Drawer 3
119
<em>Synbathocrinus wachsmuthi</em>
Kingdom: Animalia<br />
Phylum: Echinodermata <br />
Class: Crinoidea <br />
Order: <br />
Family: Synbathocrinidae <br />
Genus: <em>Synbathocrinus</em> <br />
Species: <em>wachsmuthi</em> <br /><br />
Room 145, Back Cabinet 4, Drawer 3
120
<em>Synbathocrinus dentatus</em>
Kingdom: Animalia<br />
Phylum: Echinodermata <br />
Class: Crinoidea <br />
Order: <br />
Family: Synbathocrinidae <br />
Genus: <em>Synbathocrinus</em> <br />
Species: <em>dentatus</em> <br /><br />
Room 145, Back Cabinet 4, Drawer 3
121
<em>Agaricocrinus bullatus</em>
Kingdom: Animalia<br />
Phylum: Echinodermata <br />
Class: Crinoidea <br />
Order: <br />
Family: Coelocrinidae <br />
Genus: <em>Agaricocrinus</em> <br />
Species: <em>bullatus</em> <br /><br />
Room 145, Back Cabinet 4, Drawer 3
122
<em>Coeliocrinus dilatatus</em>
Kingdom: Animalia<br />
Phylum: Echinodermata <br />
Class: Crinoidea <br />
Order: Dendrocrinida <br />
Family: Cercidocrinidae <br />
Genus: <em>Coeliocrinus</em> <br />
Species: <em>dilatatus</em> <br /><br />
Room 145, Back Cabinet 4, Drawer 3
123
<em>Actinocrinites griffithi</em>
Kingdom: Animalia<br />
Phylum: Echinodermata <br />
Class: Crinoidea <br />
Order: Monobathrida <br />
Family: <br />
Genus: <em>Actinocrinites</em> <br />
Species: <em>griffithi</em> <br /><br />
Room 145, Back Cabinet 4, Drawer 3
124
<em>Agaricocrinites pyramidatus</em>
Kingdom: Animalia<br />
Phylum: Echinodermata <br />
Class: Crinoidea <br />
Order: <br />
Family: Coelocrinidae <br />
Genus: <em>Agaricocrinites</em> <br />
Species: <em>pyramidatus</em> <br /><br />
Room 145, Back Cabinet 4, Drawer 3
125
<em>Cyathocrinites</em>
Kingdom: Animalia<br />
Phylum: Echinodermata <br />
Class: Crinoidea <br />
Order: Cladida <br />
Family: Cyathocrinitidae <br />
Genus: <em>Cyathocrinites</em> <br />
Species: <br /><br />
Room 145, Back Cabinet 4, Drawer 3
126