Origin and evolution of the Mesozoic high latitude radiolarian faunas in New Zealand and Russia

对新西兰二叠纪-侏罗纪增生杂岩的远洋至半远洋层序进行了野外地质调查，以阐明沉积物之间的相、结构、动物群和地层对比，并描述高纬度放射虫动物群的时间特征.已进行了详细的相关性的测量部分内的二叠纪-三叠纪远洋继承（Waipapa地体）暴露在箭头岩石，Whangaroa湾，北岛。对可能的P/T界线序列进行了精细的牙形石生物地层学研究，结果表明，下三叠统4带、N. Kummeli，Ns. cristagalli，Ns. pakistanensis和N.瓦根尼区已被确认在箭头岩石。新发现了早中三叠世高纬度放射虫动物群。在斯蒂芬森岛、卡瓦利群岛、岛屿湾的各个岛屿和普凯蒂森林的内陆部分，对怀帕帕地体内不同年龄的高纬度放射虫进行了侦察搜索。在奥克兰地区，对波努伊岛半远洋绿色泥质岩剖面的放射虫分析表明，侏罗纪高纬度放射虫动物群保存完好，它们产于磷酸盐结核中。在帕基希岛的远洋红硅质岩序列中进行了三叠纪-侏罗纪界线的放射虫分析。通过与南方高纬放射虫动物群的对比，对俄罗斯莫斯科和乌里扬诺夫斯克地区晚侏罗世-晚古新世放射虫地层进行了对比调查，采集了北方高纬不同时代的放射虫动物群。

The geological fieldwork for the Permian-Jurassic pelagic to hemipelagic sequences of the accretionary complexes in New Zealand has been carried out to clarify the facies, structure and faunal and stratigraphic correlations between terranes and characterize high latitude radiolarian faunas through time.1. A detailed correlation of the measured sections within the Permian-Triassic pelagic succession (Waipapa Terrane) exposed at Arrow Rocks, Whangaroa Bay, North Island has been carried out. A refined conodont biostratigraphy for possible P/T boundary sequence revealed that the Lower Triassic 4 Zones, Ns. Kummeli, Ns. cristagalli, Ns. pakistanensis, and Ns. Waageni Zones have been recognized at Arrow Rocks. A new discovery of the Early to Middle Triassic high latitude radiolarian faunas has been made from this section.2. Reconnaissance search for high latitude radiolarians in various ages within Waipapa Terrane has been carried out on Stephenson Island, the Cavalli Islands, various islands of Bay of Islands, and inland sections of Puketi Forest.3. In Auckland area, radiolarian analysis from the hemipelagic green argillite section on Ponui Island indicates that well-preserved Jurassic high latitude radiolariaan faunas occurred from phosphatic concretions. Radiolarian analysis to clarify the Triassic -Jurassic boundary within the pelagic red cherts sequence on Pakihi Island has been carried out.4. In comparison with southern high latitude radiolarian faunas, the counter part of the Late Jurassic to Late Paleocene radiolarian-bearing strata in the Moscow and Ulyanovsk region in Russia has been surveyed and northern high latitude radiolarian faunas in different ages have been collected.