DKP/3 - Durmala [Upper Krol Phosphorite]: Tommotian, India

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Orthothecida - Circothecidae
Conotheca dahaiensis Jiang, in Luo et al 1982
1 specimen
Circotheca aff. obesa Qian 1978
1 specimen
synonym of Conotheca subcurvata
Protoconodonta
Protohertzina siciformis Missarzhevsky 1973
1 specimen
Protohertzina unguliformis Missarzhevsky 1973
2 specimens
Scyphozoa - Anabaritida - Anabaritidae
2 specimens
see common names

Geography
Country:India
Coordinates: 30.5° North, 78.2° East (view map)
Paleocoordinates:7.6° South, 170.8° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Cambrian Epoch:Terreneuvian
Stage:Stage 2 10 m.y. bin:Cambrian 2
Key time interval:Tommotian
Age range of interval:525.50000 - 521.00000 m.y. ago
Stratigraphy
Formation:Upper Krol Phosphorite
Local section:Durmala Local bed:2-3 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: LITHOSTRATIGRAPHIC RELATIONS: From the Upper Krol Phosphorite, for which lithostratigraphic relations are not discussed. AGE: Tommotian, on the basis of microfauna biostratigraphy. STRATIGRAPHIC POSITION: From lower part of local section at Durmala, between 2 and 3 m.
Lithology and environment
Primary lithology: lithified silty,cherty/siliceous phosphorite
Includes fossils?Y
Lithology description: LITHOLOGY: Banded phosphorite with thin chert bands and minor shaly partings. LITHIFICATION: Lithified on the basis of facies and sample preparation.
Environment:marine indet.
Geology comments: ENVIRONMENT: Not stated in text.
Taphonomy
Modes of preservation:body,replaced with phosphate
Size of fossils:mesofossils,microfossils
Preservation of anatomical detail:poor
Collection methods and comments
Collection methods:bulk,chemical,field collection
Reason for describing collection:taxonomic analysis
Collection method comments: COLLECTOR: Not stated in text, but presumably the authors. REPOSITORY: Wadi Institute of Himalayan Geology (WIMF).
Taxonomic list comments:COVERAGE: Fairly exhaustive faunal list. NOMENCLATURE: Authoritative publication, with relatively modern nomenclature and species-resolution identifications.
Metadata
Database number:87099
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:P. Wagner Research group:marine invertebrate
Created:2009-03-04 07:41:08 Last modified:2019-03-13 19:30:39
Access level:the public Released:2009-03-04 07:41:08
Creative Commons license:CC BY
Reference information

Primary reference:
29304. R. J. Azmi and V. P. Pancholi. 1983. Early Cambrian (Tommotian) conodonts and other shelly microfauna from the upper Krol of Mussoorie Syncline, Garhwal Lesser Himalaya with remarks on the Precambrian-Cambrian boundary. Himalayan Geology 11:360-372 [A. Hendy/A. Hendy/A. Hendy]