Hellez 1 Well, Core 1 (Cretaceous of Israel)

Where: Negev, Israel (31.6° N, 34.7° E: paleocoordinates 7.4° N, 30.2° E)

• coordinate estimated from map

When: B. sp. A- C. nevegus zone, Yakhini Formation (Kurnub Group), Early/Lower Aptian (121.4 - 122.5 Ma)

Environment/lithology: shallow subtidal; lithified sandstone

• Since the Late Jurassic, the Middle East has been under the influence of a tensional tectonic regime that resulted in normal faulting throughout the region (Freund et al., 1975). During the Jurassic and Cretaceous a depositional axis developed roughly parallel to the Israeli shoreline (Bein and Gvirztman, 1977; Gvirtzman and Klang, 1972). This "hingeline" formed the boundary between two types of marine environments. The area to the southeast of this boundary was a shallow, shelf environment in which clay and sand were deposited. To the northwest of the hingeline a deep water, slope-type environment existed, in which the percentage of marine carbonates and clays become more abundant.

Size class: microfossils

Preservation: soft parts, original sporopollenin

Collection methods: core, chemical

Primary reference: G. J. Brenner and I. S. Bickoff. 1992. Palynology and age of the Lower Cretaceous basal Kurnub Group from the coastal plain to the Northern Negev of Israel. Palynology 16:137-185 [C. Jaramillo/G. Doria/A. Cardenas ]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 140352: authorized by Carlos Jaramillo, entered by Gabriela Doria on 08.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Angiospermae
  -
"Brenneripollis reticulatus" = Retimonocolpites reticulatus
"Brenneripollis reticulatus" = Retimonocolpites reticulatus Doyle 1975
 Mesangiosperms - Liliaceae
Liliacidites "sp. A"
  -
Monosulcites tectatus
Pteridopsida
  -
Matonisporites "sp. A"
Polypodiopsida
 Schizaeales - Polypodiidae
Cicatricosisporites hollei, Cicatricosisporites negevus, Cicatricosisporites orbiculatus
Ginkgoopsida
 Ephedrales -
Equisetosporites multicostatus