In this paper, the writers generally sum up the study result on Lanmuchang Type Thallium (mercury) ore deposit in southwestern Guizhou for more than ten years.

Based upon extensive field geology, borehole and geophysical data, and the petrofabric analysis of the deformed rocks, the Southwestern Suzhou area shows evidence of at least two significant tectonic events since the Mesozoic: an early thrusting event and a later extensional event.

Problems and Countermeasures of the Woodland Management in Qianxinan Prefecture;

They grow under the forest and brush or adherent to rocks and trees in the areas below 1000 m in Qianxinan prefecture and they are in imminent danger.

The suitable range of the favourable agricultural climate resources for quality tobacco production is defined by analyzing the meteorological condition including sunlight,temperature and precipitation during the tobacco growth period in Qianxinan prefecture.

Adaptability of forage sugarcane variety Minmu 42 in Southern Guizhou;

Devonian sequence stratigraphic classification and establishment of the sequence stratigraphic framework in southern Guizhou,China;

Seven 3rd-order cycles of continuous sea-level changes from the late Luodian Stage to the Lengwu Stage (Permian) in the platform area of southern Guizhou Province are recognized based on the characteristics of sequence stratigraphy in the study area.