. Journal. Eocene, Cretaceous,Neocomian. The menilite beds take their name from the occurrencetherein of menilite (a semi-opal). Different authors employ somewhat different names indescribing the beds. Some of these names may be of bedsonly locally developed. It is therefore sometimes difficultto correlate the various descriptions, or to get all the bedsmentioned into any general classification. The following aresections given by Walter and Dunikowski, from whoseworkf the accompanying illustrative diagrams (Figs. 1 and2) are also taken :— Fig. i-. 13 Km. ? i. Ropienkalayers (Neocomiau). h. Red

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. Journal. Eocene, Cretaceous,Neocomian. The menilite beds take their name from the occurrencetherein of menilite (a semi-opal). Different authors employ somewhat different names indescribing the beds. Some of these names may be of bedsonly locally developed. It is therefore sometimes difficultto correlate the various descriptions, or to get all the bedsmentioned into any general classification. The following aresections given by Walter and Dunikowski, from whoseworkf the accompanying illustrative diagrams (Figs. 1 and2) are also taken :— Fig. i-. 13 Km. ? i. Ropienkalayers (Neocomiau). h. Redclnv. Cm Nummulitic sandstone. (I. Upper Eocene. ./. Menilite shales (Oligocene). q. Upper Oligocene. SW BrowarStrzylawiecki Grybow- BajorKi NE

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882