There are many building materials that make up the Washington Monument.
Structurally it is made of Bluestone Gneiss. The outer facing stones are marble. The commemorative stones include: granite, marble, limestone, sandstone, soapstone, and jade.
Due to the 20 year hiatus in construction when the monument was only 150 feet tall, the bottom and top sections are slightly different colors. The builders could not identify the same quarry when they resumed construction.
The outside of the washinton monument is made out of granite.
The Lincoln Monument is made of marble stone from colorado.
Obelisk is a general term pertaining to any type of pyramid-shaped monument. There is a monument, called the Washington Monument, in Washington DC that is an obelisk. Obelisks are used as monuments in a great many other places.
Sedimentary, sand stone, shale, limestone
A monument could be made from many types of rock. Polished granite and marble, are two popular kinds.
They kept there calenders on a stone stelae a type of monument.
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stone and wood
The Zero Milestone is a zero mile marker monument in Washington, D.C. intended as the initial milestone from which all road distances in the United States should be reckoned when it was built.Designed by Washington architect Horace W. Peaslee, the monolith is about 2 feet square and about 4 feet high. It is made ofprecambrian granite from Milford, Massachusetts, light pinkish to greenish gray, with spots of black biotite mica
When building of the Monument stopped in 1854, they didn't resume until around the early 1870's. When they resumed, they couldn't use the same quarry of rock, because it had long gone to build bunkers for the war effort. when they resumed with enough fundings to continue building, they had to use a slighty differently colored rock to finish the building process. the monument opened to the public in 1878
The Washington monument is located on a flat, open air grassy area. The nearest trees are almost 500 yards away. There is a lone Cherry Tree that stands near the monument about 200 yards away (see related link for a picture of it).
The Washington Monument is an obelisk near the west end of the National Mall in Washington, D.C.The monument has an interior elevator and a staircase and visitors can obtain free tickets to ascend the monument.For more information see the related links.
limestone