The excavation of Jinsha Site is very important to study Shu civilization.Based on the grain size characteristics and six AMS 14C data,three phrases of paleoenvironmental and paleoclimatic changes can be proposed sinc...The excavation of Jinsha Site is very important to study Shu civilization.Based on the grain size characteristics and six AMS 14C data,three phrases of paleoenvironmental and paleoclimatic changes can be proposed since 4 ka B.P.in this area.PhraseⅠ: 4200-3800 a B.P.,fluviatile deposit altemated with swamping deposit,climate is damper and warmer; PhraseⅡ:3800-3400 a B.P.,flood plain and bank sand deposit,the precipitation increased;PhraseⅢ: 3400 a B.P.,multi-cycle of paleosol展开更多
Jinsha is the first site in Western Chengdu city where Baodun culture the late Neolithic culture or culture of the Longshan Times has been found.It dates to 4200-4000 BP and shares many characteristics with those foun...Jinsha is the first site in Western Chengdu city where Baodun culture the late Neolithic culture or culture of the Longshan Times has been found.It dates to 4200-4000 BP and shares many characteristics with those found from Yufu Walled enclosure in Wenjiang county and another contemporary walled enclosure in Pixian county.The findings from Jinsha site thus has provided important materials for the study of the Baodun culture and the relationships between the site and the surrounding walled enclosures of the Longshan展开更多
文摘The excavation of Jinsha Site is very important to study Shu civilization.Based on the grain size characteristics and six AMS 14C data,three phrases of paleoenvironmental and paleoclimatic changes can be proposed since 4 ka B.P.in this area.PhraseⅠ: 4200-3800 a B.P.,fluviatile deposit altemated with swamping deposit,climate is damper and warmer; PhraseⅡ:3800-3400 a B.P.,flood plain and bank sand deposit,the precipitation increased;PhraseⅢ: 3400 a B.P.,multi-cycle of paleosol
文摘Jinsha is the first site in Western Chengdu city where Baodun culture the late Neolithic culture or culture of the Longshan Times has been found.It dates to 4200-4000 BP and shares many characteristics with those found from Yufu Walled enclosure in Wenjiang county and another contemporary walled enclosure in Pixian county.The findings from Jinsha site thus has provided important materials for the study of the Baodun culture and the relationships between the site and the surrounding walled enclosures of the Longshan