[1]陳同剛,朱將波,汪啟年,等.江西寧都丹霞地貌地質特征及成因分析[J].華東地質,2019,40(01):27-34.[doi:10.16788/j.hddz.32-1865/P.2019.01.004]
 CHEN Tong-gang,ZHU Jiang-bo,WANG Qi-nian,et al.Geological characteristics and genesis analysis of the Ningdu Danxia landform in southern Jiangxi Province[J].East China Geology,2019,40(01):27-34.[doi:10.16788/j.hddz.32-1865/P.2019.01.004]
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江西寧都丹霞地貌地質特征及成因分析()
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《華東地質》[ISSN:2096-1871/CN:32-1865/P]

卷:
40
期數:
2019年01期
頁碼:
27-34
欄目:
基礎地質
出版日期:
2019-03-01

文章信息/Info

Title:
Geological characteristics and genesis analysis of the Ningdu Danxia landform in southern Jiangxi Province
文章編號:
2096-1871(2019)01-027-08
作者:
陳同剛 朱將波汪啟年延海濤劉玉泉官大維
(安徽省勘查技術院,合肥 230031)
Author(s):
CHEN Tong-gang ZHU Jiang-bo WANG Qi-nian YAN Hai-tao LIU Yu-quan GUAN Da-wei
(Institute of Exploration Technology of Anhui Province, Hefei 230031, China)
關鍵詞:
丹霞地貌 地質特征 成因分析 寧都
Keywords:
Danxia landform geological characteristic genesis analysis Ningdu
分類號:
P931; X14
DOI:
10.16788/j.hddz.32-1865/P.2019.01.004
文獻標志碼:
A
摘要:
通過電磁測深和野外地質調查,從物質基礎、構造作用和外營力作用等方面闡述江西寧都丹霞地貌景觀的地質特征,探討丹霞地貌主要的成景地層和形成模式,并與東南部鄰近地區典型丹霞地貌進行對比。研究表明:寧都地區丹霞地貌的成景地層主要是晚白堊世河口組和塘邊組,地殼抬升使紅層暴露于地表,在流水侵蝕、崩塌等地質作用下,塑造了如今的丹霞美景。與東南部鄰近地區典型丹霞地貌對比,發現受地理條件和丹霞地貌發育演化階段控制,寧都丹霞地貌與東南部鄰近地區典型丹霞地貌既具有共同性,也具有其獨特性。新生代以來,該區整體緩慢抬升,白堊紀燕山運動—喜馬拉雅運動期間,受NE—NNE向斷裂帶活動影響,發育切割紅層的多級斷裂和節理。寧都地區屬亞熱帶濕潤氣候,降雨量豐富,在贛江及其支流共同作用下,不同的巖性組合經差異風化剝蝕形成赤壁丹霞和紅層丘陵地貌景觀。這對進一步開發和保護地學旅游資源,支撐贛州脫貧攻堅工作,以及對比研究中國東南部地區丹霞地貌特征具有重要意義。
Abstract:
The development of tourism has promoted the research on basic geology of Danxia landform in recent years. Ningdu County of southern Jiangxi Province is famous for its unique Danxia landform scenery. Through electromagnetic sounding and field geological survey, this study analyzed the geological characteristics of the Danxia landform and landscape in aspects of material foundation, tectonic action and geological forces, discussed the main scene-forming strata and modes of the Danxia landform, and compared them with the typical Danxia landforms in adjacent areas. The study shows that the main strata of the Ningdu Danxia landform consist mainly of upper Cretaceous Hekou and Tangbian Formations, the crust uplift resulted in exposure of red bed strata, and geological processes(such as water erosion, collapse, etc)gave rise to the formation of present Danxia landform. Comparison with typical Danxia landforms in the southeastern regions suggests that the Danxia landforms in Ningdu County has its own unique characteristics besides common features of the Danxia landforms, due to controlling effect of geological and geographical condition and development stages of Danxia landform. The whole region had been in a slow uplifting process since the Cenozoic, and multi-level fractures and joints were developed within the redbed strata due to activity of NE to NNE trending fault zone during the period from the Cretaceous Yanshan movement to the Himalayan movement. The Ningdu region belongs to the subtropical humid climate zone, with abundant rainfall. Under the interaction of the Ganjiang River and its tributaries, the Danxia landforms and redbed hills were formed in different lithology arrangements, weathered and denuded at different speeds in the Danxia strata. This study is of great significance not only to further develop and protect geosciences and tourism resources, but also to support poverty alleviation in Ganzhou city and carry out further comparative study of Danxia landforms in southeastern China.

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備注/Memo

備注/Memo:
*收稿日期:2018-01-26 修訂日期:2018-03-20 責任編輯:譚桂麗
基金項目:中國地質調查局“武夷山成礦帶龍泉—上杭地區地質礦產調查(編號:DD20160037)”項目資助。
第一作者簡介:陳同剛,1988年生,男,工程師,主要從事地質調查及物探找礦工作。
更新日期/Last Update: 2019-01-16
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