On the Conception of Danxia Landform

There are two mainly aspects that contribute to the different views on the conception of Landform: 1.according to lithology and lithofacies, the question is whether purer continental clastic rock or rock covering varied lithology and lithofacies; 2. according to landform, the question is whether cliff or and red cliff, furthermore, and red cliffs. Today, based on the basic feature on Landform known at home and abroad, it showed Landform is such a landform of bare and red cliffs which sedimentary mainly composed of sandstone and gravelstone suffered from an experience erosion. Over the last 10 years, some ideas of Landform belong basically to the idea of Danxia Landform of China, which are fully inconsistent with the facts of Landform around the world.