27°12'60.00"N / 33°15'60.00"E
After searching the ancient silk road, i decided to go for egyptian tombs which lead to the right place even thou it's no tomb.
This WOGE shows the site of quarrys, active during ancient egyptian and roman times. Andesite–dacite porphyry and granite was mined to produce ornamental stones. The paths on the mountain slopes in the second picture are slipways where dimension stones were transported in ancient egypt.
Here you can find more information about ancient quarrys in egypt.