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n.1.(Geol.) A term applied to the lowest deposits of the Cretaceous or chalk formation of Europe, being the lower greensand.
a.1.(Geol.) Of or pertaining to the lower greensand.
References in periodicals archive ?
We drilled and completed our first wells in the Neocomian fields in France during Q1 2017.
Tullow has matured a drill ready Neocomian carbonate prospect in water depth of approximately 100m.
The Shurijeh formation belongs to the Neocomian and was formed as a result of sea retreatment (Afshar-Harb, 1979).
Its age is Neocomian, Hith or Surmeh Formations are its lower boundary and is overlaid by Gadvan or Dariyan Formations [15].
Nyuni-2 was spudded on 17 June 2011 using the Caroil Rig-6, to target Lower Cretaceous age Neocomian (earliest Lower Cretaceous) sandstones, similar to those found in Bounty's nearby Kiliwani North gas field and in the producing Songo-Songo gas field.
12) Eugenia Formation: volcanic and sedimentary, partly fossiliferous, Tithonian to Neocomian.
Given these observations, and although no direct determination of its age is available, the development of the mylonitic foliation and the metamorphism of the rhyolites probably took place during the thrusting of the Sarmiento ophiolite and the Tobifera Formation to the east during a late Neocomian compressional event (Dalziel, 1986; Fildani et al.
ZEF's operating interests cover 24,300 acres and a 100% working interests in the Neocomian Complex and Charmottes fields in the Paris Basin.
Nyuni 2 will appraise a location updip from the gas discovered in the Nyuni 1 exploration well in Albian/Aptian (Late Lower Cretaceous age) sands as well as testing the underlying Neocomian (Earliest Lower Cretaceous age) sands.
The Tanychorinae Rasnitsyn, 1975 (five genera and 11 species) were dominant during the Neocomian (Townes 1973; Rasnitsyn 1975, 1980; Zhang 1991; Zhang & Rasnitsyn 2003; Kopylov 2010a).