The synthetical evaluation index of typical peak forest plain cell is 0.752,in good economy status,while the synthetical evaluation index of typical peak cluster depression cell is 0.476.So its economy status is under average.
(2) The conception of the Danxia landfonn that is a kind of the red clastic rock (silthstone -conglomerate stone) landfonn, derived of the of work the exogenetic and endogenetic force, characterized by red cliff, fortress, pagoda, wall, peak cluster, peak forest, etc.
Based on the study on peak cluster depressions and peak forest valleys in the karst areas along Hongshui river, we calculated the sluicing time from maximum water level to minimum at different karst negative landforms and analyzed the relation between different karst negative landforms and immersion waterlogging time.
In the 1790s it became a transhipment port for the Peak Forest Tramway, and was the largest and busiest inland port on Britain's narrow canal network.
Bugsworth Basin lies at the head of navigation of the Peak Forest Canal near Whalley Bridge in Derbyshire.
Guilin is both a tourist city with natural scenic spots and a historic -cultural city.Guilin has favourable conditions for developing tourist business. The natural karst landscape is the soul of Guilin's picturesque sce- nery.From the strategic point of view, it is the most important area with peak-forest karst landscape for the development of natural tourist resources. Peak-forest karst landscape in Guilin has several outstanding points: uniqueness, nonregenerativeness and unreplaceable...
Guilin is both a tourist city with natural scenic spots and a historic -cultural city.Guilin has favourable conditions for developing tourist business. The natural karst landscape is the soul of Guilin's picturesque sce- nery.From the strategic point of view, it is the most important area with peak-forest karst landscape for the development of natural tourist resources. Peak-forest karst landscape in Guilin has several outstanding points: uniqueness, nonregenerativeness and unreplaceable character, " boundlessness" for tourist resource and permanence for utilization.
The Quaternry accumulations are distributed widely on the ground surface of karst region round Guilin. According to their origins , the accumulations are mainly of the following types, alluvial, alluvial-pluvial, slope-wash pluvial, eluvial and lacustrine-bog, etc. Data obtained from laboratory analyses showed that, in the main formations, there are clay mineral association which is chiefly composed of kaolinite, illite and chlorite; considerable goethite and gibbsite; and highly chemically stable heavy mineral...
The Quaternry accumulations are distributed widely on the ground surface of karst region round Guilin. According to their origins , the accumulations are mainly of the following types, alluvial, alluvial-pluvial, slope-wash pluvial, eluvial and lacustrine-bog, etc. Data obtained from laboratory analyses showed that, in the main formations, there are clay mineral association which is chiefly composed of kaolinite, illite and chlorite; considerable goethite and gibbsite; and highly chemically stable heavy mineral association of zircon, scheelite, ilmenite, tourmaline, rutile, limonite, leucoxene and magnetite. The earth deposits have fossil soil properties pertaining to laterite and red clay. The thermo-philous floras and faunas found in the Quaternary accumulations and the well developed tropical karst features in Guilin region characterized by peak-forest geomorphology indicate that the Guilin region has an environment of warm-humid tropical, subtropical or even northern subtropical climate since the Quaternary period, especially since the middle-late Pleistocene epoch.
The world famous Ling Canal passing through the Xingan County in the northeastern part of Guangxi was excavated in 214 B. C. in the Qin dynasty. It links the Xiang River, a tributary of the Yangtzie River, With the Li River, a branch of the Pearl River.The construction of the Ling Canal had made use of the specific favourabe geologjcal-geomorphological conditions of the water divide, e. g.,1 ) the lower point of geological structure; 2 ) the intense karstiftcation on the divide i, e., the landform of peak-forest...
The world famous Ling Canal passing through the Xingan County in the northeastern part of Guangxi was excavated in 214 B. C. in the Qin dynasty. It links the Xiang River, a tributary of the Yangtzie River, With the Li River, a branch of the Pearl River.The construction of the Ling Canal had made use of the specific favourabe geologjcal-geomorphological conditions of the water divide, e. g.,1 ) the lower point of geological structure; 2 ) the intense karstiftcation on the divide i, e., the landform of peak-forest plain; and 3 ) the tilted uplift caused by neotectonic movement in the area from Li River to Xiang River.
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