This data set is composed of paleomagnetic analysis data of the comprehensive loess profile of titel stari slankamen, Serbia. The total thickness of the loess section measured by paleomagnetic experiment is about 55m, and the number of samples measured is 105. MMTD 80 automatic thermal demagnetizer produced by British magnetic measurement company is used for thermal demagnetization of the system, and the residual magnetism measurement is completed on 2g-760 three-axis superconducting magnetometer. All samples were systematically thermally demagnetized at 100 ° C, 150 ° C, 200 ° C, 250 ° C, 300 ° C, 350 ° C, 400 ° C, 450 ° C, 500 ° C, 520 ° C, 550 ° C, 585 ° C, 620 ° C, 630 ° C, 650 ° C, 685 ° C in 16 steps. The mixed demagnetization method was used for 33 samples. Firstly, thermal demagnetization was carried out to 150 ° C, and then alternating demagnetization was carried out. The alternating demagnetization field was 5 MT, 7.5 MT, 10 mT, 15 MT, 20 MT, 25 MT, 30 mT, 35 MT, 40 MT, 45 MT, 50 MT and 60 Mt. Finally, the characteristic remanence results of all samples were obtained by principal component analysis. The experimental analysis was completed in the State Key Laboratory of lithospheric evolution. This data provides further age constraints for the Loess in Serbia and is of great significance for the study of paleoclimate / Paleoenvironment in southeastern Europe.
HAO Qingzhen
This data set is composed of the magnetic susceptibility analysis data of the middle and upper samples of the titel stari slankamen loess comprehensive profile and the stari slankamen loess profile in Serbia. Among them, the total thickness of tiel stari slankamen loess comprehensive section is about 56m, and the middle and lower part of stari slankamen loess section (l6-s9) is below 43.1m; The thickness of the middle and upper part of the stari slankamen loess profile is 29.7m, including the stratum s0-s5. We have carried out magnetic susceptibility measurement and Analysis on the comprehensive section of titel stari slankamen loess at an interval of about 5cm. The number of low-frequency magnetic susceptibility samples and high-frequency magnetic susceptibility samples is 1129; Magnetic susceptibility measurement and analysis were carried out on the middle and upper part of stari slankamen loess profile at an interval of about 10cm. The number of low-frequency magnetic susceptibility samples and high-frequency magnetic susceptibility samples were 297. The instrument used is bartington MS2 magnetic susceptibility instrument made in Britain. The experimental analysis was completed in the Key Laboratory of Cenozoic geology and environment, Chinese Academy of Sciences. This data reflects the variation characteristics of low-frequency magnetic susceptibility and high-frequency magnetic susceptibility of loess sequence in Serbia in recent one million years, and is of great significance for the study of paleoclimate / Paleoenvironment in southeastern Europe.
HAO Qingzhen
This data set is composed of grain size analysis data of middle and upper samples of titel stari slankamen loess comprehensive profile and stari slankamen loess profile in Serbia. Among them, the total thickness of tiel stari slankamen loess comprehensive section is about 56m, and the middle and lower part of stari slankamen loess section (l6-s9) is below 43.1m; The thickness of the middle and upper part of the stari slankamen loess profile is 29.7m, including the stratum s0-s5. We have carried out particle size determination and Analysis on the comprehensive section of titel stari slankamen loess at an interval of about 5 cm, and the number of samples measured is 1120; Grain size determination and analysis were carried out on the middle and upper part of stari slankamen loess profile at an interval of about 10 cm, and the number of samples measured was 296. The instrument used is LS 13320 laser diffraction particle size analyzer manufactured by Beckman Coulter company of the United States, and the measurement range of the instrument is 0.375 ~ 2000 μ m. During the measurement, the sample suspension is in circulation. Each sample is counted for 5 ~ 10 seconds and 1000 times per second. The relative error of parallel samples is less than 1.5%. The experimental analysis was completed in the Key Laboratory of Cenozoic geology and environment, Chinese Academy of Sciences. This data reflects the variation characteristics of grain size parameters of loess sequence in Serbia in recent one million years, and is of great significance for the study of paleoclimate / Paleoenvironment in southeastern Europe.
HAO Qingzhen
This data set consists of volcanic ash chronological analysis data in Serbian loess. Volcanic ash chronology is a method to correlate and date geological, PALEOCLIMATOLOGICAL, archaeological and other strata and events by using volcanic ash layer as isochronous marker. Generally, the volcanic ash in sediments is compared through the chemical composition characteristics and characteristic mineral assemblages of minerals, and the age of volcanic ash layer is determined through the calibration of isochronous strata in the region; The age of the volcanic ash layer can also be determined by absolute dating methods such as AR ar. The volcanic ash chronological analysis data include the single mineral chemical composition of 8 layers of volcanic ash samples in different loess sections of Serbia and the AR ar chronological data of diorthite of 1 layer of volcanic ash samples. Among them, the single mineral chemical composition of volcanic ash samples was determined by jeol jxa 8100 electron probe of electron probe and scanning electron microscope laboratory of Institute of Geology and Geophysics, Chinese Academy of Sciences. The AR ar chronology data of diorite of volcanic ash samples were determined by helix SFT mass spectrometer of environmental research center of Scottish University Union. This data can provide further age constraints for the Loess in Serbia and is of great significance for the study of paleoclimate / Paleoenvironment in southeastern Europe.
HAO Qingzhen
This data set is composed of paleoweathering intensity analysis data of titel stari slankamen loess comprehensive section in Serbia. The analysis data of paleoweathering intensity include the percentage of free iron oxide and total iron oxide. The ratio of the two is one of the indexes widely used in soil science to evaluate the degree of soil chemical weathering. Free iron oxide and total iron oxide were extracted by CBD (sodium bisulfite sodium citrate sodium bicarbonate solution) method and hf-hno3-hclo4 acid dissolution method respectively, and determined on GGX-600 atomic absorption spectrometer. The total thickness of the profile is about 56m. Free iron oxide and total iron oxide are measured and analyzed at an interval of about 5cm. The number of samples measured is 683 and 622 respectively. The experimental analysis was completed in the Key Laboratory of Cenozoic geology and environment, Chinese Academy of Sciences. This data reflects the variation characteristics of paleoweathering intensity of loess sequence in Serbia in recent one million years, and is of great significance for the study of paleoclimate / Paleoenvironment in southeastern Europe.
HAO Qingzhen
This data set consists of magnetic susceptibility analysis data of Huining loess profile on the Loess Plateau of China. It includes one main section and two last interglacial loess sections. The total thickness of the main section is about 271m, and the thickness of the two last interglacial loess sections is about 21m and 24m respectively. We have carried out magnetic susceptibility measurement and Analysis on the above loess profile at an interval of about 5cm. The number of low-frequency magnetic susceptibility samples measured are 5336, 436 and 484 respectively. The instrument used is bartington MS2 magnetic susceptibility instrument made in Britain. The experimental analysis was completed in the Key Laboratory of Cenozoic geology and environment, Chinese Academy of Sciences. This data reflects the variation characteristics of low-frequency magnetic susceptibility of loess sequence in Huining area of Loess Plateau of China in recent two million years, and is of great significance for the study of paleoclimate / paleoenvironment of Loess Plateau.
HAO Qingzhen
This data set is composed of paleomagnetic analysis data of Huining loess profile on the Loess Plateau of China. The total thickness of Huining loess profile measured by paleomagnetic experiment is about 130 meters, and the number of samples measured is 200. MMTD 80 automatic thermal demagnetizer produced by British magnetic measurement company is used for thermal demagnetization of the system, and the residual magnetism measurement is completed on 2g-760 rock superconducting magnetometer. The experimental analysis was completed in the State Key Laboratory of lithospheric evolution. This data provides further age constraints for the Loess in Huining area of the Loess Plateau of China, and is of great significance for the study of paleoclimate / Paleoenvironment in the west of the Loess Plateau.
HAO Qingzhen
This data set consists of chromaticity analysis data of Luochuan and Xifeng loess profiles on the Loess Plateau of China. We have carried out chromaticity measurement and Analysis on Luochuan and Xifeng loess profiles at an interval of about 5 cm. The total thickness of the profiles is about 57M and 86m respectively, and the number of samples is 1138 and 1726 respectively. The instrument used is the cm-700d spectrophotometer manufactured by Konica Minolta company in Japan. The experimental analysis was completed in the Key Laboratory of the Cenozoic Institute of Geology and environment, Chinese Academy of Sciences. This data reflects the variation characteristics of chromaticity parameters of loess sequence in the central part of the Loess Plateau in recent one million years, and is of great significance for the study of paleoclimate / paleoenvironment of the Loess Plateau.
HAO Qingzhen
This data set consists of grain size analysis data of Huining loess profile on the Loess Plateau of China. We have carried out particle size determination and Analysis on the loess profile at an interval of about 5 cm. The total thickness of the profile is about 231m, and the number of samples is 5329. The instrument used is Mastersizer 3000 laser diffraction particle size analyzer manufactured by Malvern Instruments Co., Ltd. in the UK, and the measurement range of the instrument is 0.01 ~ 3500 μ m. Each sample is counted for about 10 seconds, and the accuracy is better than 1%, the repeatability is better than 0.5%, and the reproducibility is better than 1%. The experimental analysis was completed in Shandong Key Laboratory of tourism, resources and environment, Taishan University. This data reflects the variation characteristics of grain size parameters of loess sequence in Huining area of Loess Plateau of China in recent two million years, and is of great significance for the study of paleoclimate / paleoenvironment of Loess Plateau.
HAO Qingzhen
This data set is composed of chromaticity analysis data of titel stari slankamen loess comprehensive profile in Serbia. Using the cm-700d spectrophotometer manufactured by Konica Minolta, Japan, we carried out chromaticity measurement and Analysis on the comprehensive section of titel stari slankamen loess at an interval of about 5 cm. The total thickness of the section is about 56 meters and the number of samples is 1128; Using cary5000 UV-vis-NIR spectrophotometer, we carried out chromaticity measurement and Analysis on the comprehensive profile of titel stari slankamen loess at an interval of about 10 cm. The number of samples measured was 565. The experimental analysis was completed in the Key Laboratory of Cenozoic geology and environment, Chinese Academy of Sciences and the State Key Laboratory of lithospheric evolution. The data reflect the variation characteristics of chromaticity parameters of loess sequence in Serbia in recent one million years, which is of great significance for the study of paleoclimate / Paleoenvironment in southeastern Europe.
HAO Qingzhen
This data set is composed of tree ring width data of Nanyue Mountain region of China in East Asian monsoon region . The tree rings in Nanyue mountain contain 22 tree cores, which have 3616 values, the measurement accuracy is 0.01mm, and the tree species is masson pine. The tree ring width was measured by lintab 6 tree ring analyzer, and the cross dating is checked by coffcha program to guarantee that the accuracy of the dating. The experiment analysis was performed in the laboratory of soil structure and minerals, Institute of Geology and Geophysics, Chinese Academy of Sciences. This data has certain significance for the study of paleoclimate in theEast Asian monsoon region .
XU Chenxi
This data set consists of tree ring width data in southern Serbia in westerly region. The tree rings in southern Serbia include 24 tree cores, the tree species is Bosnia pine, the measured width data is 5148, and the measurement accuracy is 0.001mm. The width of tree ring is measured by lintab 6 tree ring analyzer, and the cross dating is checked by coffcha program to ensure that the measurement and dating of all tree core samples are accurate. The experimental analysis was completed in the laboratory of soil structure and minerals, Institute of Geology and Geophysics, Chinese Academy of Sciences. This data has certain significance for the study of paleoclimate in westerly area.
XU Chenxi
This data set consists of tree ring width data in central Serbia in westerly region. The tree rings in central Serbia include 15 tree cores, the tree species is lime, the measured width data is 1398, and the measurement accuracy is 0.001mm. The width of tree ring is measured by lintab 6 tree ring analyzer, and the cross dating is checked by coffcha program to ensure that the measurement and dating of all tree core samples are accurate. The experimental analysis was completed in the laboratory of soil structure and minerals, Institute of Geology and Geophysics, Chinese Academy of Sciences. This data has certain significance for the study of paleoclimate in westerly area.
XU Chenxi
This data set consists of tree ring width data in northern Serbia in the westerly region. Tree rings in northern Serbia include 23 tree cores, the tree species are oak, the measured width data is 1537, and the measurement accuracy is 0.001mm. The width of tree ring is measured by lintab 6 tree ring analyzer, and the cross dating is checked by coffcha program to ensure that the measurement and dating of all tree core samples are accurate. The experimental analysis was completed in the laboratory of soil structure and minerals, Institute of Geology and Geophysics, Chinese Academy of Sciences. This data has certain significance for the study of paleoclimate in westerly area.
XU Chenxi
This data set is composed of tree ring width data in East Asian monsoon region and Shennongjia region of China. The tree ring in Shennongjia area contain 128 tree cores, and the tree species is Abies fargesii. The measured width data is 18936, and the measurement accuracy is 0.01mm. The width of tree ring is measured by lintab 6 tree ring analyzer, and the cross dating is checked by coffcha program to ensure that the measurement and dating of all tree core samples are accurate. The experimental analysis was completed in the laboratory of soil structure and minerals, Institute of Geology and Geophysics, Chinese Academy of Sciences. This data has certain significance for the study of paleoclimate in the East Asian monsoon region.
XU Chenxi
This data set consists of tree ring carbon and oxygen data and tree ring carbon and oxygen data in East Asian monsoon region and Northeast China. Tree rings in Northeast China include 4 tree cores, the tree species is Korean pine, and the measured isotopic data is 903. Cellulose was extracted from tree ring logs by chemical treatment, and the obtained cellulose samples were wrapped in a silver cup. The isotopic ratio was measured by Delta V advantage stable isotope mass spectrometer, and the analysis error was less than 0.21 ‰. The experimental analysis was completed in the laboratory of soil structure and minerals, Institute of Geology and Geophysics, Chinese Academy of Sciences. This data has certain significance for the study of paleoclimate in East Asian monsoon region.
XU Chenxi
This data set consists of tree ring carbon and oxygen data in southern Serbia in westerly region. Tree rings in southern Serbia include 4 tree cores, the tree species is Bosnia pine, and the measured isotopic data is 967. Cellulose was extracted from tree ring logs by chemical treatment, and the obtained cellulose samples were wrapped in a silver cup. The isotopic ratio was measured by Delta V advantage stable isotope mass spectrometer, and the analysis error was less than 0.21 ‰. The experimental analysis was completed in the laboratory of soil structure and minerals, Institute of Geology and Geophysics, Chinese Academy of Sciences. This data has certain significance for the study of paleoclimate in westerly area.
XU Chenxi
1) This paper reports a new Middle Jurassic progonocimicid bug from Northeast China, named Cicadocoris parvus. 2) The fossils come from the middle layer of Daohugou bed of Haifanggou Formation in Daohugou area, Ningcheng County, Chifeng City, Inner Mongolia. The images of fossils are obtained by using V16 microscope, the plates are made by using PS software, and the line drawings and maps are drawn by using CDR software. 3) The fossil material consists of 40 in total, including 21 males, 12 females and 7 unknown sex, which are preserved in the gray tuffaceous shale in the middle layer of Daohugou bed、 4) In this paper, the detailed morphological measurements of the new species and show that they are the dominant species in the Jurassic Daohugou biota.
FU Yanzhe
1) This paper reports a new genus and species of Sinoalidae, named Stictocercopis wuhuaensis. 2) The fossils are from Daohugou area, Ningcheng County, Chifeng City, Inner Mongolia. The V16 microscope and scanning electron microscope are used to take photos. The PS software is used to make plates and the CDR software is used to draw line drawings. 3) The new genera and species are based on three fossils and, preserved in tuffaceous shale in the middle layer of Daohugou bed. 4) In this paper, the palaeobiodiversity and morphological diversity of sinoalid in the Jurassic Daohugou biota have been increased. It is suggested that there was a radiation evolution event in the early Jurassic.
FU Yanzhe
1) This paper describes a new species of Sinoalidae from the Daohugou biota of Middle to Late Jurassic, revises the synonym jiania, and proves the correlation between the Daohugou fossil bed and the Jiulongshan Formation in Luanping. 2) The fossil materials come from Daohugou area, Ningcheng County, Chifeng City, Mongolia in the Middle to Late Jurassic of China. The images of the fossils are imaged by V16 stereomicroscope, the plates are made by PS software, and the line drawings are drawn by CDR software. 3) The new species is based on two fossils, which are preserved in tuff shale. 4) This paper proves the stratigraphic correlation between Daohugou bed and Jiulongshan Formation in Luanping, Hebei Province from the perspective of biostratigraphy.
FU Yanzhe
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