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  • Africa, Tanzania; Age model; HAND; Illite; Olduvai-Paleolake; Sample ID; Sampling by hand; Smectite; δ18O, illite-smectite  (1)
  • Archaeol; Archaeol and Caldarchaeol Ecometric index; Banagi; Branched and isoprenoid tetraether index; Branched glycerol dialkyl glycerol tetraether; Branched glycerol dialkyl glycerol tetraether, Ia; Branched glycerol dialkyl glycerol tetraether, Ia, fractional abundance; Branched glycerol dialkyl glycerol tetraether, Ib; Branched glycerol dialkyl glycerol tetraether, Ib, fractional abundance; Branched glycerol dialkyl glycerol tetraether, Ic; Branched glycerol dialkyl glycerol tetraether, Ic, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIa; Branched glycerol dialkyl glycerol tetraether, IIa, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIa'; Branched glycerol dialkyl glycerol tetraether, IIa', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIb; Branched glycerol dialkyl glycerol tetraether, IIb, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIb'; Branched glycerol dialkyl glycerol tetraether, IIb', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIc; Branched glycerol dialkyl glycerol tetraether, IIc, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIc'; Branched glycerol dialkyl glycerol tetraether, IIc', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIa; Branched glycerol dialkyl glycerol tetraether, IIIa, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIa'; Branched glycerol dialkyl glycerol tetraether, IIIa', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIb; Branched glycerol dialkyl glycerol tetraether, IIIb, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIb'; Branched glycerol dialkyl glycerol tetraether, IIIb', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIc; Branched glycerol dialkyl glycerol tetraether, IIIc, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIc'; Branched glycerol dialkyl glycerol tetraether, IIIc', fractional abundance; Carbon, organic, total; Cyclization ratio of branched tetraethers; DEPTH, soil; Depth comment; Elevation of event; Event label; Isomer ratio of 6-methyl branched glycerol dialkyl glycerol tetraethers; Isoprenoid acyclic glycerol dialkyl glycerol tetraether; Isoprenoid acyclic glycerol dialkyl glycerol tetraether, fractional abundance; Isoprenoidal glycerol dialkyl glycerol tetraethers; Isoprenoid dicyclic glycerol dialkyl glycerol tetraether; Isoprenoid dicyclic glycerol dialkyl glycerol tetraether, fractional abundance; Isoprenoid glycerol dialkyl glycerol tetraether, 5; Isoprenoid glycerol dialkyl glycerol tetraether, 5, fractional abundance; Isoprenoid glycerol dialkyl glycerol tetraether, 5'; Isoprenoid glycerol dialkyl glycerol tetraether, 5', fractional abundance; Isoprenoid glycerol dialkyl glycerol tetraether, per unit mass total organic carbon; Isoprenoid glycerol dialkyl glycerol tetraether/branched glycerol dialkyl glycerol tetraether ratio; Isoprenoid monocyclic glycerol dialkyl glycerol tetraether; Isoprenoid monocyclic glycerol dialkyl glycerol tetraether, fractional abundance; Isoprenoid tricyclic glycerol dialkyl glycerol tetraether; Isoprenoid tricyclic glycerol dialkyl glycerol tetraether, fractional abundance; Kemarishe; Kirawira; Latitude of event; Longitude of event; Makoma; Malambo Road; Methylation index of 5-methyl branched glycerol dialkyl glycerol tetraether; MULT; Multiple investigations; Musabi; Naabi Hill; Ndabakal; Nyaruswiga; Optional event label; Precipitation, annual mean; Sample code/label; Serengeti; Serengeti_soil_Banagi; Serengeti_soil_Kemarishe; Serengeti_soil_Kirawira; Serengeti_soil_Makoma; Serengeti_soil_Malambo_Road; Serengeti_soil_Musabi; Serengeti_soil_Naabi_Hill; Serengeti_soil_Ndabaka; Serengeti_soil_Nyaruswiga; Serengeti_soil_Shifting_Sands; Serengeti_soil_Simba_Kopjes; Shifting Sands; Simba Kopjes; Temperature, annual mean  (1)
Document type
Keywords
  • Africa, Tanzania; Age model; HAND; Illite; Olduvai-Paleolake; Sample ID; Sampling by hand; Smectite; δ18O, illite-smectite  (1)
  • Archaeol; Archaeol and Caldarchaeol Ecometric index; Banagi; Branched and isoprenoid tetraether index; Branched glycerol dialkyl glycerol tetraether; Branched glycerol dialkyl glycerol tetraether, Ia; Branched glycerol dialkyl glycerol tetraether, Ia, fractional abundance; Branched glycerol dialkyl glycerol tetraether, Ib; Branched glycerol dialkyl glycerol tetraether, Ib, fractional abundance; Branched glycerol dialkyl glycerol tetraether, Ic; Branched glycerol dialkyl glycerol tetraether, Ic, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIa; Branched glycerol dialkyl glycerol tetraether, IIa, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIa'; Branched glycerol dialkyl glycerol tetraether, IIa', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIb; Branched glycerol dialkyl glycerol tetraether, IIb, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIb'; Branched glycerol dialkyl glycerol tetraether, IIb', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIc; Branched glycerol dialkyl glycerol tetraether, IIc, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIc'; Branched glycerol dialkyl glycerol tetraether, IIc', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIa; Branched glycerol dialkyl glycerol tetraether, IIIa, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIa'; Branched glycerol dialkyl glycerol tetraether, IIIa', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIb; Branched glycerol dialkyl glycerol tetraether, IIIb, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIb'; Branched glycerol dialkyl glycerol tetraether, IIIb', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIc; Branched glycerol dialkyl glycerol tetraether, IIIc, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIc'; Branched glycerol dialkyl glycerol tetraether, IIIc', fractional abundance; Carbon, organic, total; Cyclization ratio of branched tetraethers; DEPTH, soil; Depth comment; Elevation of event; Event label; Isomer ratio of 6-methyl branched glycerol dialkyl glycerol tetraethers; Isoprenoid acyclic glycerol dialkyl glycerol tetraether; Isoprenoid acyclic glycerol dialkyl glycerol tetraether, fractional abundance; Isoprenoidal glycerol dialkyl glycerol tetraethers; Isoprenoid dicyclic glycerol dialkyl glycerol tetraether; Isoprenoid dicyclic glycerol dialkyl glycerol tetraether, fractional abundance; Isoprenoid glycerol dialkyl glycerol tetraether, 5; Isoprenoid glycerol dialkyl glycerol tetraether, 5, fractional abundance; Isoprenoid glycerol dialkyl glycerol tetraether, 5'; Isoprenoid glycerol dialkyl glycerol tetraether, 5', fractional abundance; Isoprenoid glycerol dialkyl glycerol tetraether, per unit mass total organic carbon; Isoprenoid glycerol dialkyl glycerol tetraether/branched glycerol dialkyl glycerol tetraether ratio; Isoprenoid monocyclic glycerol dialkyl glycerol tetraether; Isoprenoid monocyclic glycerol dialkyl glycerol tetraether, fractional abundance; Isoprenoid tricyclic glycerol dialkyl glycerol tetraether; Isoprenoid tricyclic glycerol dialkyl glycerol tetraether, fractional abundance; Kemarishe; Kirawira; Latitude of event; Longitude of event; Makoma; Malambo Road; Methylation index of 5-methyl branched glycerol dialkyl glycerol tetraether; MULT; Multiple investigations; Musabi; Naabi Hill; Ndabakal; Nyaruswiga; Optional event label; Precipitation, annual mean; Sample code/label; Serengeti; Serengeti_soil_Banagi; Serengeti_soil_Kemarishe; Serengeti_soil_Kirawira; Serengeti_soil_Makoma; Serengeti_soil_Malambo_Road; Serengeti_soil_Musabi; Serengeti_soil_Naabi_Hill; Serengeti_soil_Ndabaka; Serengeti_soil_Nyaruswiga; Serengeti_soil_Shifting_Sands; Serengeti_soil_Simba_Kopjes; Shifting Sands; Simba Kopjes; Temperature, annual mean  (1)
  • Banagi; Conductivity; DEPTH, soil; Elevation of event; Event label; GDGTs; Kemarishe; Kirawira; Latitude of event; Longitude of event; Makoma; Malambo Road; MULT; Multiple investigations; Musabi; Naabi Hill; Ndabakal; Nyaruswiga; Optional event label; pH; Salinity; Sample code/label; Serengeti; Serengeti_soil_Banagi; Serengeti_soil_Kemarishe; Serengeti_soil_Kirawira; Serengeti_soil_Makoma; Serengeti_soil_Malambo_Road; Serengeti_soil_Musabi; Serengeti_soil_Naabi_Hill; Serengeti_soil_Ndabaka; Serengeti_soil_Nyaruswiga; Serengeti_soil_Shifting_Sands; Serengeti_soil_Simba_Kopjes; Shifting Sands; Simba Kopjes; Soil; Total dissolved solids  (1)
  • GDGTs; pH; Salinity; Soil  (1)
Publisher
Years
  • 1
    facet.materialart.
    Unknown
    Relative proportions of smectite and illite, and illite-smectite oxygen-isotope compositions (δ18OI-S) of 39 mudstone samples collected from a lacustrian section at Paleolake Olduvai (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Most clay minerals in sedimentary environments have traditionally been considered to be of detrital origin, but under certain conditions, authigenic clay minerals can form at low temperature through the transformation of precursor clays or as direct precipitates from lake-water. Such clay minerals can hold important information about the prevailing climatic conditions during the time of deposition. We present the first quantitative reconstruction of salinity in paleolake Olduvai based on the oxygen-isotope composition of authigenic clay minerals. We provide a framework illustrating that the isotopic signature of authigenic lacustrine clay minerals is related to the isotopic composition of paleo-waters, and hence to paleosalinity. This new paleosalinity proxy shows that the early Pleistocene East African monsoon was driven by combinations of precession and obliquity forcing, and subsequent changes in tropical SSTs. Such quantitative lacustrine paleosalinity estimates provides a new direction of research for modeling ecosystem change based on an ecologically relevant parameter.
    Keywords: Africa, Tanzania; Age model; HAND; Illite; Olduvai-Paleolake; Sample ID; Sampling by hand; Smectite; δ18O, illite-smectite
    Type: Dataset
    Format: text/tab-separated-values, 195 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    Concentrations and relative abundance of GDGT soil profiles along a Serengeti transect (2022)
    PANGAEA
    Details
    Publication Date: 2023-12-22
    Keywords: Archaeol; Archaeol and Caldarchaeol Ecometric index; Banagi; Branched and isoprenoid tetraether index; Branched glycerol dialkyl glycerol tetraether; Branched glycerol dialkyl glycerol tetraether, Ia; Branched glycerol dialkyl glycerol tetraether, Ia, fractional abundance; Branched glycerol dialkyl glycerol tetraether, Ib; Branched glycerol dialkyl glycerol tetraether, Ib, fractional abundance; Branched glycerol dialkyl glycerol tetraether, Ic; Branched glycerol dialkyl glycerol tetraether, Ic, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIa; Branched glycerol dialkyl glycerol tetraether, IIa, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIa'; Branched glycerol dialkyl glycerol tetraether, IIa', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIb; Branched glycerol dialkyl glycerol tetraether, IIb, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIb'; Branched glycerol dialkyl glycerol tetraether, IIb', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIc; Branched glycerol dialkyl glycerol tetraether, IIc, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIc'; Branched glycerol dialkyl glycerol tetraether, IIc', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIa; Branched glycerol dialkyl glycerol tetraether, IIIa, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIa'; Branched glycerol dialkyl glycerol tetraether, IIIa', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIb; Branched glycerol dialkyl glycerol tetraether, IIIb, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIb'; Branched glycerol dialkyl glycerol tetraether, IIIb', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIc; Branched glycerol dialkyl glycerol tetraether, IIIc, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIc'; Branched glycerol dialkyl glycerol tetraether, IIIc', fractional abundance; Carbon, organic, total; Cyclization ratio of branched tetraethers; DEPTH, soil; Depth comment; Elevation of event; Event label; Isomer ratio of 6-methyl branched glycerol dialkyl glycerol tetraethers; Isoprenoid acyclic glycerol dialkyl glycerol tetraether; Isoprenoid acyclic glycerol dialkyl glycerol tetraether, fractional abundance; Isoprenoidal glycerol dialkyl glycerol tetraethers; Isoprenoid dicyclic glycerol dialkyl glycerol tetraether; Isoprenoid dicyclic glycerol dialkyl glycerol tetraether, fractional abundance; Isoprenoid glycerol dialkyl glycerol tetraether, 5; Isoprenoid glycerol dialkyl glycerol tetraether, 5, fractional abundance; Isoprenoid glycerol dialkyl glycerol tetraether, 5'; Isoprenoid glycerol dialkyl glycerol tetraether, 5', fractional abundance; Isoprenoid glycerol dialkyl glycerol tetraether, per unit mass total organic carbon; Isoprenoid glycerol dialkyl glycerol tetraether/branched glycerol dialkyl glycerol tetraether ratio; Isoprenoid monocyclic glycerol dialkyl glycerol tetraether; Isoprenoid monocyclic glycerol dialkyl glycerol tetraether, fractional abundance; Isoprenoid tricyclic glycerol dialkyl glycerol tetraether; Isoprenoid tricyclic glycerol dialkyl glycerol tetraether, fractional abundance; Kemarishe; Kirawira; Latitude of event; Longitude of event; Makoma; Malambo Road; Methylation index of 5-methyl branched glycerol dialkyl glycerol tetraether; MULT; Multiple investigations; Musabi; Naabi Hill; Ndabakal; Nyaruswiga; Optional event label; Precipitation, annual mean; Sample code/label; Serengeti; Serengeti_soil_Banagi; Serengeti_soil_Kemarishe; Serengeti_soil_Kirawira; Serengeti_soil_Makoma; Serengeti_soil_Malambo_Road; Serengeti_soil_Musabi; Serengeti_soil_Naabi_Hill; Serengeti_soil_Ndabaka; Serengeti_soil_Nyaruswiga; Serengeti_soil_Shifting_Sands; Serengeti_soil_Simba_Kopjes; Shifting Sands; Simba Kopjes; Temperature, annual mean
    Type: Dataset
    Format: text/tab-separated-values, 1352 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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