The weathering crust- eluvial type REE deposits develop widely in southern Hunan.

风化壳淋积型稀土矿床，在湘南地区普遍发育。

The complex association of karst cave and fissures constitutes the reservoir space of weathering crust karst reservoirs.

复杂多变的溶蚀孔、洞、缝及其组合，构成了风化壳岩溶储层的储集空间。

The complex association of karst cave and fissures constitutes the reservoir space of weathering crust karst reservoirs .

复杂多变的溶蚀孔、洞、缝及其组合，构成了风化壳岩溶储层的储集空间。

The main controlling factors of reservoir developing are lithology, lithofacies and ancient weathering crust karstification.

储层发育的主要控制因素为岩性和岩相、古风化壳岩溶作用。

The main controlling factors of reservoir developing are lithology , lithofacies and ancient weathering crust karstification.

储层发育的主要控制因素为岩性和岩相、古风化壳岩溶作用.

This research demonstrates that this area is suitable for the development of large scale weathering crust and karstic reservoirs .

结果表明，研究区域适宜大规模风化壳岩溶作用的发生以及岩溶型储层的发育。

The reservoir and permeable weathering crust is ascertained and discussed to have relations with the distribution and size of the karst geomorphology and karst cross-section.

查明并论述了风化壳储渗体在岩溶地貌与岩溶剖面中的分布与规模。