The Jantar Mantar is a collection of architectural astronomical instruments. This instruments were built by Maharaja Jai Singh II at his then new capital of Jaipur between 1727 and 1734. These instruments can no longer make accurate observations because of the numerous tall buildings that have been built around the observatory.
The face of these masonry instruments is lined with marble and has astronomical gradations that may be used to give the local time according to the shadow cast by the triangle and to study the position of the sun and stars by using a metal rod.
sedimentary rocks
Monument Rock Wilderness was created in 1984.
The area of Monument Rock Wilderness is 79.521 square kilometers.
sand rock
A monument could be made from many types of rock. Polished granite and marble, are two popular kinds.
raskal monuments
granite
metamorphic rock
Why was the Indian hiding behind the rock?
the rock temple at abu simbal
dome of the rock
rock,wood,plastic,cment
The Egyptian pyramids are constructed from limestone.