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[1]熊平生,张 忆*,李 优.赣南地区花岗岩型红土剖面粒度特征及其环境意义[J].绵阳师范学院学报,2020,(02):109-113.[doi:10.16276/j.cnki.cn51-1670/g.2020.02.021]
 XIONG Pingsheng,ZHANG Yi*,LI You.Grain-size Characteristics and its Environmental Significance of the Granite Red Clay Profile in Gannan Region[J].Journal of Mianyang Normal University,2020,(02):109-113.[doi:10.16276/j.cnki.cn51-1670/g.2020.02.021]
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《绵阳师范学院学报》[ISSN:1672-612X/CN:51-1670/G]

卷:
期数:
2020年02期
页码:
109-113
栏目:
地理与资源环境科学
出版日期:
2020-02-15

文章信息/Info

Title:
Grain-size Characteristics and its Environmental Significance of the Granite Red Clay Profile in Gannan Region
文章编号:
1672-612X(2020)02-0109-05
作者:
熊平生12张 忆1* 李 优2
1.衡阳师范学院南岳学院,湖南衡阳 421008; 2.衡阳师范学院城市与旅游学院,湖南衡阳 421002
Author(s):
XIONG Pingsheng12 ZHANG Yi1* LI You2
1.Nanyue College of Hengyang Normal University, Hengyang,Hunan 421008; 2.College of City and Tourism of Hengyang Normal University,Hengyang, Hunan 421002
关键词:
赣县 花岗岩红土 粒度特征 CIA值
Keywords:
Ganxian granite red clay characteristics of grain size CIA values
分类号:
P595
DOI:
10.16276/j.cnki.cn51-1670/g.2020.02.021
文献标志码:
A
摘要:
采集了赣县田村(TC)花岗岩红土剖面45个样品,分别进行了粒度和化学元素测试分析.研究表明:(1)红土剖面粒度组成以粉砂(4~63 μm)为优势粒组,平均含量为52.52%; 砂粒(63~2 000 μm)次之,平均含量为38.38%; 粘粒(<4 μm)平均含量为9.09%.(2)线性回归分析发现,粘粒和粉砂含量正相关性显著,砂粒含量分别与粘粒、粉砂含量负相关性显著; CIA值与粉砂粒含量正相关性显著的,与砂粒含量负相关性显著.(3)红土粒度频率曲线以单峰为主体,表明了红土剖面物质来源主体的单一性
Abstract:
Grain-size and chemical elements of forty-five samples were measured from Tiancun(TC)granite red clay profile in Ganxian County.The results showed that:(1)the content of silt particles(4~63μm)was the highest in Tiancun profile, which the average content was 52.52%, followed by sand particles(63~2000μm)and clay particles(<4μm),which the average content was 9.09% and 38.38% respectively.(2)After linear regression analysis, it was found that there was a Remarkably correlative both clay particle content and silt particle content, which was a negative correlation between sand particles content, clay particles content and silt particles content. The CIA values were positively correlated with silt particles content, while negatively correlated with sand particles content;(3)The frequency curves of particle sizes were dominated by single peak, which suggested that the material sources of red clay profile were singleness. The probability accumulation curves of red earth was divided into three segment pattern, and the distribution of particle size parameter scatter plots was relatively consistent, which revealed that the sedimentary environment of red clay profile was relatively consistent.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-08-22
基金项目:国家自然科学基金资助项目(41471153); 大学生创新创业训练计划项目(201912659001; NYD201905; cxcy1937).
第一作者简介:熊平生(1972-),男,湖南永州人,副教授,博士,研究方向:自然地理与环境演变.
*共同第一作者简介:张忆(1999-),女,云南省昭通人,本科,研究方向:地理教育.
更新日期/Last Update: 2020-02-15