| Citation: |
ZHANG Zongyan, LIU Xiang, LI Xiang, ZHANG Jianyu, KE Xue, XU Yadong. The Late Oligocene-Early Pleistocene sporopollen assemblages and paleovegetation succession of core ZkA01 in Hetou town, Leizhou Peninsula of Guangdong Province[J]. Geological Bulletin of China, 2020, 39(6): 880-892.
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The Late Oligocene-Early Pleistocene sporopollen assemblages and paleovegetation succession of core ZkA01 in Hetou town, Leizhou Peninsula of Guangdong Province
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Abstract
The data of Cenozoic sporopollen fossils obtained from ZKA01 drill hole in Leizhou Peninsula of Guangdong Province were systematically analyzed.Through the analysis of spore-pollen data, 8 sporopollen assemblages can be recognized from this drill hole.In the late Oligocene, the vegetation types in this area reflected the obvious vertical distribution of vegetation; coniferous forests were distributed in the surrounding mountains, and deciduous broad-leaved and evergreen broad-leaved mixed forests grew in the plain.In the early and middle Miocene, the vegetation types in this area evolved from deciduous broad-leaved and evergreen broad-leaved mixed forests into evergreen broad-leaved forests and tropical rainforests.In the late Miocene, the vegetation types in this area evolved into coniferous forests in mountain areas and deciduous broad-leaved and evergreen broad-leaved mixed forests in plain areas.During the Pliocene-Early Pleistocene period, the vegetation types in this area were deciduous broad-leaved and evergreen broad-leaved mixed forests, and the temperature changes fluctuated significantly.The climate change characteristics of Late Oligocene to Early Pleistocene period were reflected by spore-pollen assemblages, which had good comparability with the trend of global climate change.
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Keywords:
- sporopollen assemblage /
- paleo-vegetation type /
- paleoclimate /
- Cenozoic /
- Leizhou Peninsula
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References
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ZHANG Zongyan, LIU Xiang, LI Xiang, ZHANG Jianyu, KE Xue, XU Yadong. The Late Oligocene-Early Pleistocene sporopollen assemblages and paleovegetation succession of core ZkA01 in Hetou town, Leizhou Peninsula of Guangdong Province[J]. Geological Bulletin of China, 2020, 39(6): 880-892.
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Figure 1.
Traffic location map of Hetou Town, Leizhou City, Guangdong Province
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Figure 2.
Geological map of Hetou Town, Leizhou City, Guangdong Province
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Figure 3.
Columnar section of the Oligocene-Pleistocene strata in ZKA01 drill hole of Leizhou Peninsula, Guangdong Province
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Figure 4.
Oligocene-Pleistocene spore-pollen percentage diagram and palynological assemblages from ZKA01 drill hole in Hetou Town, Leizhou City, Guangdong Province