Nyalindung Fm - cycle 1, bed 2b: Middle Miocene, Indonesia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Neogastropoda - Buccinidae
Babylonia spirata (Linnaeus 1758)
C category
Gastropoda - Bursidae
Bufonaria echinata (Link 1807)
R category
recombined as Bufonaria (Bufonaria) echinata
Gastropoda - Naticidae
Polinices peselephanti (Link 1807)
U category
Gastropoda - Heterostropha - Ringiculidae
Ringicula arctatoides Martin 1879
R category
Bivalvia - Cardiida - Veneridae
Paphia (Neotapes) undulata (Born 1778)
A category
see common names

Geography
Country:Indonesia
Coordinates: 7.0° South, 106.6° East (view map)
Paleocoordinates:9.1° South, 114.2° East
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
Key time interval:Middle Miocene
Age range of interval:15.98000 - 11.63000 m.y. ago
Stratigraphy
Formation:Nyalindung
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: Formerly referred to as Nyalindung Mbr of Cimandiri Fm (Sukamoto, 1990). Immediately overlying Jampang Fm. THICKNESS: From < 1 m thick bed within <5 m section; total composite section thickness is estimated at around 40 m. AGE: Age still debated, but most evidence, including molluscan and foraminiferal biostratigraphy suggest a Middle Miocene age. STRATIGRAPHIC POSITION: From lower part of lowermost cycle at base of the Nyalindung Fm.
Lithology and environment
Primary lithology: poorly lithified carbonaceous sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Carbonaceous sandstone. LITHIFICATION: Poorly lithified, based on figured specimens (some from unlithified sediments, most from poorly-lithified sediments).
Environment:coastal indet.
Glacial or sequence phase:transgressive systems tract
Geology comments: SEQUENCE STRATIGRAPHY: From upper part of transgressive systems tract.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Collection method comments: COLLECTOR: Presumably collected by the authors, Z.L. Aswan and T. Ozawa. REPOSITORY: Depart,emt of Geology, Institut Teknologi Bandung and the Graduate School of Environmental Sciences, Nagoya University.
Taxonomic list comments:COVERAGE: Not exhaustive but representative of most characteristic gastropods and bivalves within each unit. NOMENCLATURE: Not authoritative publication, but using modern nomenclature, subgenus and species-level designations.
Metadata
Database number:70178
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2007-03-19 19:31:29 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2007-03-19 19:31:27
Creative Commons license:CC BY
Reference information

Primary reference:

23571. Z. Y. Aswan. 2006. Milankovitch 41 000-year cycles in lithofaciesa and molluscan content in the tropical Middle Miocene Nyalindung Formation, Jawa, Indonesia. Palaeogeography, Palaeoclimatology, Palaeoecology 235:382-405 [A. Hendy/A. Hendy]