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  • 127-794; 127-795; 127-797; 128-798; 128-799; Age model; Ageprofile Datum Description; COMPCORE; Composite Core; DEPTH, sediment/rock; Event label; Japan Sea; Joides Resolution; Leg127; Leg128; Ocean Drilling Program; ODP  (1)
  • Lake Biwa  (1)
Document type
Keywords
Publisher
Years
  • 1
    Electronic Resource
    Electronic Resource
    Stratigraphy of multiple piston-core sediments for the last 30,000 years from Lake Biwa, Japan (2000)
    Springer
    Journal of paleolimnology 23 (2000), S. 185-199 
    Details
    ISSN: 1573-0417
    Keywords: Lake Biwa ; piston core ; volcanic ash ; magnetic susceptibility ; tephrostratigraphy ; sedimentation rate ; paleoenvironment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences
    Notes: Abstract Analysis of seven piston cores obtained from three sites in Lake Biwa provide a detailed stratigraphy of the lake sediments for the last 30 kyrs. Description of lithology and measurement of magnetic susceptibility reveal occurrence of volcanic ashes at ten horizons, that were visually observed or microscopically found from clayey sediments. Most ash layers are observed in multiple cores from the three sites and also in earlier cores, establishing correlation and age assignment of the core sediments. This result demonstrates usefulness of magnetic susceptibility data in finding dispersed volcanic ashes. The age-depth curves deduced from published tephra ages show that significant difference in sedimentation rates occurs in Lake Biwa. The central part of the depression is characterized by homogeneous sediments deposited with a high sedimentation rate. The 250-m-thick lacustrine clay in this sub-basin has great potential for high-resolution study of the past environment and paleomagnetism for the last 0.5 Myr.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008079418715
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Unknown
    (Table 1) Polarity boundaries observed in ODP Leg 127/128 sites (1992)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Description: We present the magnetostratigraphic data for Sites 794, 795, 797, 798, and 799 in the Japan Sea. APC cores from these sites record the polarity sequence for the Pliocene-Pleistocene period. The intensity of the magnetization decreases with depth by more than an order of magnitude, and the low intensity samples tend to give scattered directional data. The cause of these phenomena is examined based on the correlation of the intensity with the bulk magnetic susceptibility.
    Keywords: 127-794; 127-795; 127-797; 128-798; 128-799; Age model; Ageprofile Datum Description; COMPCORE; Composite Core; DEPTH, sediment/rock; Event label; Japan Sea; Joides Resolution; Leg127; Leg128; Ocean Drilling Program; ODP
    Type: Dataset
    Format: text/tab-separated-values, 110 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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