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Radiolarians of the Kungurian Stage of the Lower Permian in the South Urals of Russia 俄罗斯南乌拉尔地区下二叠统昆古里安阶段的放射虫
IF 0.6 4区 地球科学
Paleontological Journal Pub Date : 2023-11-30 DOI: 10.1134/s0031030123070018
M. S. Afanasieva
{"title":"Radiolarians of the Kungurian Stage of the Lower Permian in the South Urals of Russia","authors":"M. S. Afanasieva","doi":"10.1134/s0031030123070018","DOIUrl":"https://doi.org/10.1134/s0031030123070018","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Kungurian radiolarians from the Lower Permian sections Alegazovo on the Ai River and Mechetlino on the Yuryuzan River on the western slope of the South Urals were studied. The distribution of 23 radiolarian species in the studied sections was analyzed, enabling the recognition of two new radiolarian ecozones: <i>Astroentactinia mirifica</i> of the Saraninian Regional Substage in the <i>Neostreptognathodus pnevi</i> conodont Zone and <i>Alexialeks uralicus–Octatormentum permicum</i> of the Irenian Regional Substage, corresponding to the <i>Neostreptognathodus imperfectus</i> conodont Zone. The ecozones are based on the quantitative ratio of high-ranking taxa (classes). The use of the method of correlation of taxa of higher rank at the class level as an indicator of changes in paleoenvironments shows the inversion of the taxonomic composition of radiolarian associations of new ecozones of the Saraninian and Irenian regional substages indicating a change in the radiolarian habitats due to the shallowing of the basin. The taxonomic compositions of the radiolarian associations of the basinal and shelf environment are shown to be different. Three new radiolarian species from the Kungurian Stage of the South Urals are described: <i>Astroentactinia mirifica</i> Afanasieva, sp. nov., <i>Helioentactinia parvispina</i> Afanasieva, sp. nov., and <i>H. venusta</i> Afanasieva, sp. nov.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138538724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Shell Growth Increments as Indicator of Tide in the Arkhangelsk Region (Russia) during the Mikulinian Interglacial 米库良间冰期俄罗斯阿尔汉格尔斯克地区贝壳生长增量作为潮汐指示
IF 0.6 4区 地球科学
Paleontological Journal Pub Date : 2023-11-30 DOI: 10.1134/s0031030123070109
Jan Kresten Nielsen
{"title":"Shell Growth Increments as Indicator of Tide in the Arkhangelsk Region (Russia) during the Mikulinian Interglacial","authors":"Jan Kresten Nielsen","doi":"10.1134/s0031030123070109","DOIUrl":"https://doi.org/10.1134/s0031030123070109","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Mikulinian (Eemian) marine deposits are widespread in the northern Arkhangelsk Region, Russia. Shoreface deposits have been found in exposures along the Pyoza and Vaskha rivers; however, deposits of undoubtedly tidal origin have not hitherto been recognized there. By contrast, here we show that shells of <i>Macoma balthica</i> (Linnaeus, 1758) (Tellinidae, Bivalvia) unearthed from the shoreface deposits show growth patterns indicating that the bivalves lived in an environment affected by tidal periodicity. The periodicity was a mixed tide with significantly diurnal inequality in the height of the low waters. In the Arkhangelsk Region, the Mikulinian hydrodynamical conditions of the tidally influenced regime are still poorly known. Because the spatial and temporal distribution of <i>M. balthica</i> is broad in the fossil record, its shells have a large potential for tidal interpretations, as contribution to hydrological reconstructions.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138538737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Complex Structure of the Cuticle of Pseudagnostus (Agnostina, Trilobita?) 三叶虫(pseudoagnostina, Trilobita?)的复杂表皮结构
IF 0.6 4区 地球科学
Paleontological Journal Pub Date : 2023-11-30 DOI: 10.1134/s0031030123070080
E. B. Naimark, S. Yu. Chaika
{"title":"The Complex Structure of the Cuticle of Pseudagnostus (Agnostina, Trilobita?)","authors":"E. B. Naimark, S. Yu. Chaika","doi":"10.1134/s0031030123070080","DOIUrl":"https://doi.org/10.1134/s0031030123070080","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The cuticle of <i>Pseudagnostus</i> ex gr. <i>cyclopyge</i>, a member of Agnostina, which is currently conditionally considered as an arthropod stem lineage, was studied using SEM. It has been believed so far that the agnostoid cuticle is simple and single-layered, differing in its primitive structure from other arthropods, both modern and extinct. However, our results showed that at least in this species, the cuticle has a very complex structure. Their carapace consisted of three layers, and each layer was characterized by its own features. The outer layer, which was a combination of a thin upper prismatic unit and a thick principal unit composed of relatively loosely packed lamellae, overlies the transitional layer. The transitional layer consists of stacks of thin lamellae, directed differently in each stack. On the thin inner layer there were numerous pits with a central element (peg). The peg pits create a specific profile of the inner layer, although the functions of these peg pits are not clear. The inner layer is underlain by a basal matrix of rhomboid fibrillar mesh possibly of chitin-protein nature. Specific cuticular sensilla were found both on the outer and inner layers. On the glabellar culmination there is a V-shaped groove with two rows of digitiform sensilla in the V-branches; campaniform sensilla were located along the symmetry axis between the branches. This sensory field apparently performed a mechanosensory function responding to currents outside an enrolled animal. Given the complexity of the integument of this species, further comparison with other agnostoid species, as well as with the cuticle of other arthropods, is needed. Such a comparison would be promising for understanding the phylogenetic position of Agnostina, as well as the evolution of the arthropod exoskeleton.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138538725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Palynostratigraphy and Foraminiferal Stratigraphy of the Early Miocene Qom Formation in the Northeastern Margin of the Tethyan Seaway 特提斯海道东北缘早中新世库姆组孢粉地层和有孔虫地层
IF 0.6 4区 地球科学
Paleontological Journal Pub Date : 2023-11-30 DOI: 10.1134/s0031030123070031
Afsaneh Dehbozorgi, Saeed Maleki
{"title":"Palynostratigraphy and Foraminiferal Stratigraphy of the Early Miocene Qom Formation in the Northeastern Margin of the Tethyan Seaway","authors":"Afsaneh Dehbozorgi, Saeed Maleki","doi":"10.1134/s0031030123070031","DOIUrl":"https://doi.org/10.1134/s0031030123070031","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Lower Miocene strata are exposed in the northwest of Ashtian, in the Central Iran Zone. Biostratigraphy of the Qom Formation was investigated using dinoflagellate cyst and benthic foraminifera. The stratigraphic distribution of the dinocysts lead to the identification of two distinctive stratigraphically non-continuous palynozones viz., <i>Caligodinium amiculum</i> (late Aquitanian) and <i>Cordosphaeridium cantharellus</i> (early Burdigalian) zones. This biozonation is equivalent to that recognized in Northwest Europe. Moreover, the presence of such stratigraphically distinctive taxa as <i>Borelis melo curdica</i>, <i>Meandropsina iranica</i>, <i>Elphidium</i> sp. 14, and <i>Miogypsina</i> sp. enabled the identification of the two consecutive biozones: the <i>Elphidium</i> sp. 14—<i>Miogypsina</i> Assemblage Subzone and the <i>Borelis melo</i> group <i>Meandropsina iranica</i> Assemblage Zone. The late Aquitanian–Burdigalian age is collectively attributed, therefore, to the studied section. This age assignment is based on the dinocysts and foraminifer species compared with other stratigraphic sections. The close resemblance of the dinoflagellate cyst assemblages of the Qom Basin with Northwest Europe and the northwestern Tethys during the Oligocene-early Miocene indicates a marine connection and faunal exchange between the two regions.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138543496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sinuijublatta, a New Cockroach (Insecta: Blattaria: Caloblattinidae) from the Lower Cretaceous of Paektho-Dong, Sinuiju, Democratic People’s Republic of Korea 朝鲜新义州白洞下白垩世一新蜚蠊(昆虫纲:蜚蠊亚目:小蠊科)
IF 0.6 4区 地球科学
Paleontological Journal Pub Date : 2023-11-30 DOI: 10.1134/s0031030123070110
K. S. So, C. G. Won
{"title":"Sinuijublatta, a New Cockroach (Insecta: Blattaria: Caloblattinidae) from the Lower Cretaceous of Paektho-Dong, Sinuiju, Democratic People’s Republic of Korea","authors":"K. S. So, C. G. Won","doi":"10.1134/s0031030123070110","DOIUrl":"https://doi.org/10.1134/s0031030123070110","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The new cockroach specimens were collected from the third member of the Sinuiju Formation from Paektho-dong, Sinuiju City, North Phyongan Province, Democratic People’s Republic of Korea (DPRK). A new genus with a new species, <i>Sinuijublatta sinuijuensa</i> gen. et sp. nov., is described and assigned to the family Caloblattinidae. It differs from all the other representatives of the family by the sophisticated coloration (forewing with dark coloration except for pale areas in the R and M; hindwing with dark coloration in the distal half). These well preserved specimens were collected from the grey mudstones, the third member of the Sinuiju Formation. The new species broadens the distribution and the diversity of the family Caloblattinidae.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138538722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two New Species of the Tribe Tesserocerini (Coleoptera: Platypodidae) from Miocene Ethiopian Amber 中新世埃塞俄比亚琥珀中扁足类二新种(鞘翅目:扁足科)
IF 0.6 4区 地球科学
Paleontological Journal Pub Date : 2023-11-30 DOI: 10.1134/s0031030123070079
A. A. Legalov, Maximilian G. Pankowski
{"title":"Two New Species of the Tribe Tesserocerini (Coleoptera: Platypodidae) from Miocene Ethiopian Amber","authors":"A. A. Legalov, Maximilian G. Pankowski","doi":"10.1134/s0031030123070079","DOIUrl":"https://doi.org/10.1134/s0031030123070079","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Two new species of ambrosia beetles (Coleoptera: Platypodidae), one from the genus <i>Cenocephalus</i> Chapuis, 1865 and the other from <i>Chaetastus</i> Nunberg, 1953, are described from Miocene Ethiopian amber found near Alem Ketema. <i>Cenocephalus josephi</i> sp. nov. is similar to <i>C. lalolaensis</i> Nunberg, 1963 but differs based on its larger, brownish-black body, a weakly convex interstriae and a very wide metepisternum. <i>Chaetastus samsockorum</i> sp. nov. is similar to <i>Ch</i>. <i>persimilis</i> (Schedl, 1933) but is distinguished by a smaller body, narrower pronotum, shorter elytra and an elytral declivity that is not granulate. This is the first time the genus <i>Chaetastus</i> has been found in the fossil record, as well as the first documentation of the genus <i>Cenocephalus</i> from the Miocene of Africa. A key to Platypodidae from Ethiopian amber is provided.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138538738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The First Known Mesozoic Mammal in the Democratic People’s Republic of Korea 朝鲜民主主义人民共和国已知的第一个中生代哺乳动物
IF 0.6 4区 地球科学
Paleontological Journal Pub Date : 2023-11-30 DOI: 10.1134/s0031030123070122
C. G. Won, K. S. So, S. H. Jon
{"title":"The First Known Mesozoic Mammal in the Democratic People’s Republic of Korea","authors":"C. G. Won, K. S. So, S. H. Jon","doi":"10.1134/s0031030123070122","DOIUrl":"https://doi.org/10.1134/s0031030123070122","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>A partial skeleton of a Mesozoic mammal has been discovered from the fourth member (tuffaceous sandstone) of the Lower Cretaceous Sinuiju Formation, Paekto-dong, Sinuiju city, North Phyongan Province, Democratic People’s Republic of Korea (DPRK). This specimen exhibits several characters common to all multituberculates. The femoral head is fully spherical and inflected, and sets off from the shaft by a long neck. The tibia has the pronounced, hook-like dorsolateral process in the proximal part and the medial and lateral articulating condyles on the tibia. The astragalus and the calcaneus are in juxtaposition, as preserved. The metatarsal V is offset from the cuboid. Hence this specimen belongs to multituberculate mammals. But this specimen has also the derived characters. The parafibula is not present. The calcaneocuboid facet is transverse with respect to the length of the calcaneus. In these regards, we suggest that the preserved postcranial skeleton of the new specimen has a mosaic of primitive and derived characters. This interpretation must be corroborated by additional mammal specimens from this locality.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138543497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Middle Jurassic Ostracodes from Joyan Member, Jaisalmer Formation, Jaisalmer, Rajasthan, India 印度拉贾斯坦邦Jaisalmer组Joyan段中侏罗世介形虫
IF 0.6 4区 地球科学
Paleontological Journal Pub Date : 2023-11-30 DOI: 10.1134/s0031030123070055
Manisha Kumari
{"title":"Middle Jurassic Ostracodes from Joyan Member, Jaisalmer Formation, Jaisalmer, Rajasthan, India","authors":"Manisha Kumari","doi":"10.1134/s0031030123070055","DOIUrl":"https://doi.org/10.1134/s0031030123070055","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract—</h3><p>Eleven ostracode species from Joyan Member of Jaisalmer Formation, Jaisalmer District, Rajasthan, India are described and/or recorded. Four species—<i>Cytherella indica</i>, <i>Micropneumatocythere joyanensis</i>, <i>Progonocythere khoslai,</i> and <i>Trichordis minuta</i>—are described as new; and 4 species—<i>Cytherella obscura</i> Lyubimova et Mohan, <i>Batella</i> <i>befotakaensis</i> (Grekoff), <i>Mandelstamia banniensis</i> (Neale et Singh), <i>Paracypris mohani</i> Khosla, Felix et Kumari—are assigned to already known taxa. Three species—<i>Amicytheridea</i>? sp. A, <i>Batella</i> sp., and <i>Darwinula</i> sp.—are left in open nomenclature. Based on distribution of the fauna, one ostracode biozone, <i>Micropneumatocythere joyanensis</i> Range Zone, has been proposed for the beds of Joyan Member and a Bajocian age is assigned for the zone.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138538739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The First Finding of a Representative of the Genus Crinisarina Cooper and Dutro, 1982 (Athyridida) in the Late Famennian of Northeastern Iran 伊朗东北部晚法门世首次发现的criinisarina Cooper and Dutro属(Athyridida)代表
IF 0.6 4区 地球科学
Paleontological Journal Pub Date : 2023-11-30 DOI: 10.1134/s003103012307002x
V. V. Baranov, Y. Nasiri, J. Sharifi, R. B. Blodgett, M. H. M. Gharaie, S. T. Nikbakht, M. Hadi
{"title":"The First Finding of a Representative of the Genus Crinisarina Cooper and Dutro, 1982 (Athyridida) in the Late Famennian of Northeastern Iran","authors":"V. V. Baranov, Y. Nasiri, J. Sharifi, R. B. Blodgett, M. H. M. Gharaie, S. T. Nikbakht, M. Hadi","doi":"10.1134/s003103012307002x","DOIUrl":"https://doi.org/10.1134/s003103012307002x","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>A new species <i>Crinisarina merriami</i> Baranov et al., sp. nov. is described from the Upper Famennian (Khoshyeilagh Formation) of Siaheh Mountain in northeastern Iran. Its ontogeny is considered. The species composition of the genus <i>Crinisarina</i> Cooper and Dutro, 1982 has been expanded.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138538740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Conodonts from Moscovian–Kasimovian Boundary Interval in the Type and Reference Sections, Moscow Basin, Russia 俄罗斯莫斯科盆地莫斯科-卡西莫维安边界段的牙形刺类型和参考剖面
IF 0.6 4区 地球科学
Paleontological Journal Pub Date : 2023-11-30 DOI: 10.1134/s0031030123070043
N. V. Goreva
{"title":"Conodonts from Moscovian–Kasimovian Boundary Interval in the Type and Reference Sections, Moscow Basin, Russia","authors":"N. V. Goreva","doi":"10.1134/s0031030123070043","DOIUrl":"https://doi.org/10.1134/s0031030123070043","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The GSSP for the Kasimovian Stage has not been fixed or defined. Several conodont species: <i>Swadelina subexcelsa</i> (Alekseev et Goreva, 2001)<i>, Idiognathodus turbatus</i> (Rosscoe et Barrick, 2009) or <i>Idiognathodus sagittalis</i> (Kozitskaya, 1978) and <i>Idiognathodus heckeli</i> (Rosscoe et Barrick, 2013) were proposed and discussed by the Task Group as potential index taxa for the boundary definition. This paper describes the distribution of all potential conodont markers and refines the levels of their appearance in the key sections in the type region of the Kasimovian, considering revision of the previously obtained and new data. The traditional lower boundary of the Kasimovian Stage in the Moscow Basin coincides with the level of FAD of the conodont <i>Swadelina subexcelsa.</i> This species could be traced across large distances, including different continents and could be proposed as a good marker for the Moscovian-Kasimovian boundary. The first occurrences of other species as <i>Idiognathodus sagittalis,</i> <i>I. turbatus</i> and <i>I. heckeli</i> are fixed at the base of the middle member of the Neverovo Formation of the Khamovnikian Substage, i.e. much higher than the base of the Kasimovian that was established for the Carboniferous of Russia. The levels of the appearance of this species have a high potential for the global correlation, but it is not good solution for the definition of the Global Kasimovian Boundary.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138538719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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