MAGNETOSTRATIGRAPHY AND BIOSTRATIGRAPHY OF AN ANISIAN-LADINIAN (MIDDLE TRIASSIC) BOUNDARY SECTION FROM HYDRA (GREECE)

Authors
MUTTONI G CHANNELL JET NICORA A RETTORI R
Citation
G. Muttoni et al., MAGNETOSTRATIGRAPHY AND BIOSTRATIGRAPHY OF AN ANISIAN-LADINIAN (MIDDLE TRIASSIC) BOUNDARY SECTION FROM HYDRA (GREECE), Palaeogeography, palaeoclimatology, palaeoecology, 111(3-4), 1994, pp. 249-262
Citations number
37
Categorie Soggetti
Paleontology
Journal title
Palaeogeography, palaeoclimatology, palaeoecology → ACNP
ISSN journal
00310182
Volume
111
Issue
3-4
Year of publication
1994
Pages
249 - 262
Database
ISI
SICI code
0031-0182(1994)111:3-4<249:MABOAA>2.0.ZU;2-C
Abstract
On the island of Hydra, the Anisian/Ladinian boundary is exposed in a 24 m thick section of nodular reddish Han-Bulog Limestone. This paper is focused on the magnetostratigraphy and conodont biostratigraphy of this section. The Anisian/Ladinian boundary is defined by the First Ap pearance Datum (FAD) of the conodont species Gondolella trammeri Kozur (base of the Nevadites ammonoid zone), and occurs in a normal polarit y zone. Microfacies analysis has distinguished a lower and upper litho facies recording gradual shallowing from pelagic conditions to a platf orm margin paleoenvironment.