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41.956  Articles
1 of 4.197 pages  |  10  records  |  more records»
The Middle–Late Jurassic Sargelu, Naokelekan, and Barsarin formations of northwestern Iraq have been investigated in the Shaikhan oilfield (well Shaikhan-8) to assess their potential for hydrocarbon generation.The results of total organic carbon analysis ... see more

This paper deals with a fragment of geological history of Middle Jurassic black spherosideritic shales outcropping in upper part of the Homole Gorge (Skrzypny Shale Formation, Niedzica succession). These important deposits belong to the Flackenmergel faci... see more

This paper deals with a fragment of geological history of Middle Jurassic black spherosideritic shales outcropping in upper part of the Homole Gorge (Skrzypny Shale Formation, Niedzica succession). These important deposits belong to the Flackenmergel faci... see more

Calcareous nannofossil biostratigraphy has been performed on tree sections cropping out in Eastern Sardinia (Orosei Gulf, Mt. Albo). Calcareous nannofossils are rare to few and poorly to moderately preserved. Nevertheless thirteen bioevents have been reco... see more

In this study, source rock characteristics and lateral changes in thermal maturity of the Sargelu Formation (Middle Jurassic) in three outcrops were studied. The formation’s outcrops can be found in the High Folded, and Imbricated Zones of Iraqi Tect... see more

The Middle-Late Jurassic mafic dike swarms of central Chile between 33º and 33º45'S register the tectonic activity of the contemporaneous arc represented by the Coastal batholith. These dike swarms evidence alternate episodes of transtension and transpres... see more

The Slovenian Basin was a Mesozoic deep-water paleogeographic domain located north of the Dinaric Carbonate Platform. Due to a considerable amount of southward-directed thrusting and subsequent erosion, the marginal parts of this basin are only sparsely p... see more

A middle Hettangian marine gastropod assemblage is reported from the Kenai Peninsula of south-central Alaska supplying new paleontological evidence of this group in Lower Jurassic rocks of North America. Pleurotomaria pogibshiensis sp. nov. is described f... see more

Early Jurassic arc-related igneous rocks host porphyry copper prospects and gold-bearing quartz vein deposits in southern Peru. Ten new zircon U-Pb ages for wall rocks of gold-bearing quartz veins, Jurassic rocks and copper-mineralized porphyry bodies in ... see more

1 of 4.197 pages  |  10  records  |  more records»