摘要
岩矿光谱特征是遥感找矿和岩性识别的物理基础。为了全面认识火成岩的光谱特征,对采自新昌地区的5个不同岩石样品进行了发射光谱测试分析,并在总结火成岩常见矿物、基团和离子发射光谱特征的基础上,通过包络线法对测试得到的光谱曲线进行分析,得到曲线低发射带的位置、深度、宽度、面积、对称性和深宽比的定量描述,以此为基础,结合样品的化学测试数据,研究了火成岩矿物组成、蚀变特征及共生状态等与光谱特征的关系,对其形成机理进行了探讨。
The analysis of the characteristics of rocks and minerals constitutes the physical foundation of remote sensing exploration and rock recognition.In order to understand the spectral features more completely,the authors tested five different igneous rock samples from Xinchang area and analyzed their emission spectra.On the basis of emission characteristics of normal minerals and radicals,the authors analyzed the curves and obtained the location,depth,width,depth/width ratio,area and symmetry of the low emission bands by using the continuum removal method.The relationship of composition,alteration characteristics and associations of minerals to remote sensing spectral characteristics as well as its formation mechanism are also discussed in this paper.
出处
《国土资源遥感》
CSCD
2010年第2期68-72,共5页
Remote Sensing for Land & Resources
基金
国家自然科学基金资助项目"浙闽沿海地区晚中生代岩墙群及其构造意义"(编号:40372035)
关键词
火成岩
发射光谱
光谱特征
遥感
包络线
Igneous rocks
Emissivity spectra
Spectral features
Remote sensing
Continuum removal
