Many people with Ehlers-Danlos syndrome have soft, velvety skin that is highly stretchy (elastic) and fragile. Affected individuals tend to bruise easily, and some types of the condition also cause abnormal scarring.
Quartzite is a metamorphic rock that is formed from the sedimentary rock sandstone. Slate is a metamorphic rock that is formed from the sedimentary rock mudstone. Granulite is a metamorphic rock that is formed from the igneous rock basalt.
The Inner Gorge is made up of metamorphic and igneous rocks, there are no sedimentary rocks to be seen anywhere. The Vishnu, Brahma and Rama Schists are dark brown to black, twisted and mangled metamorphic rocks, and the Zoroaster Granite is the rich pink and white granite that you see within the schists.