eprintid: 1819
rev_number: 8
eprint_status: archive
userid: 1
dir: disk0/00/00/18/19
datestamp: 2001-12-03 00:00:00
lastmod: 2014-04-03 11:25:13
status_changed: 2012-08-14 15:02:51
type: doctoralThesis
metadata_visibility: show
creators_name: Li, Gang
title: Palaeontology and biostratigraphy of the Lower Cretaceous Qihulin Formation in eastern Heilongjiang, northeastern China
title_de: Paläontologie und Biostratigraphie der Qihulin Formation der unteren Kreide im Osten Heilongjiang, Nordost China
ispublished: pub
subjects: ddc-550
divisions: i-121000
adv_faculty: af-12
keywords: Barremien-Aptien , Ammoniten , Bivalven , Agglutinierenden Foraminiferen , RadiolarienPalaeontology , Biostratigraphy , Lower Cretaceous , Qihulin Formation , China
cterms_swd: Paläontologie
cterms_swd: Biostratigraphie
cterms_swd: Untere Kreide
cterms_swd: Qihulin Formation
cterms_swd: China
abstract_translated_text: The purpose of the study was to provide conclusive evidence for a chronostratigraphical assignment of the Qihulin Formation of the Longzhaogou Group exposed in Mishan and Hulin counties of eastern Heilongjiang, northeastern China. To develop an integrated view of the formation, all collected fossil groups, i.e. the macrofossils (ammonites and bivalves) and microfossils (agglutinated foraminifers and radiolarians) have been studied. The low-diversity ammonite fauna consists of Pseudohaploceras Hyatt, 1900, and Eogaudryceras Spath, 1927, which indicate a Barremian-Aptian age. The bivalve fauna consists of eight genera and 16 species. The occurrence of Thracia rotundata (J. de C: Sowerby) suggests an Aptian age. The agglutinated foraminifers comprise ten genera and 16 species, including common Lower Cretaceous species such as Ammodiscus rotalarius Loeblich & Tappan, 1949, Cribrostomoides? nonioninoides (Reuss, 1836), Haplophragmoides concavus (Chapman, 1892), Trochommina depressa Lozo, 1944. The radiolarians comprise ten genera and 17 species, where Novixitus sp., Xitus cf. spicularius (Aliev, 1965), Archaeodictyomitra cf. vulgaris Pessagno, 1977, Stichomitra cf. tosaensis Nakaseko & Nishimura, 1981 all indicate an Early Cretaceous age. Thus the Qihulin Formation is assigned to the Barremian-Aptian.
abstract_translated_lang: eng
date: 2001
date_type: published
id_scheme: DOI
id_number: 10.11588/heidok.00001819
ppn_swb: 1643256548
own_urn: urn:nbn:de:bsz:16-opus-18196
date_accepted: 2001-11-30
advisor: HASH(0x561a629b3fc8)
language: eng
bibsort: LIGANGPALAEONTOL2001
full_text_status: public
citation:   Li, Gang  (2001) Palaeontology and biostratigraphy of the Lower Cretaceous Qihulin Formation in eastern Heilongjiang, northeastern China.  [Dissertation]     
document_url: https://archiv.ub.uni-heidelberg.de/volltextserver/1819/1/GangLi.pdf