granular limestone
71Dolomite — This article is about the rock and mineral. For other uses, see Dolomite (disambiguation). Dolomite Dolomite and magnesite – Spain General Cat …
72Crushed stone — 20 millimetre crushed stone, for construction aggregate and landscape uses. Crushed stone or angular rock is a form of construction aggregate, typically produced by mining a suitable rock deposit and breaking the removed rock down to the desired… …
73Arabian Desert — 1. a desert in Egypt between the Nile valley and the Red Sea. ab. 80,000 sq. mi. (207,000 sq. km). 2. the desert region in the N part of the Arabian peninsula. * * * Desert region, Arabian Peninsula. It covers about 900,000 sq mi (2,330,000 sq… …
74tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
75Gravel — For other uses, see Gravel (disambiguation). Gravel (largest fragment in this photo is about 4 cm) …
76Scapolite — (Gr. asairos , rod, stone), is a group of rock forming silicate minerals composed of aluminium, calcium and sodium silicate with chlorine, carbonate and sulfate. The variations in composition of the different members of the group may be expressed …
77Coral sand — from a beach on Aruba Coral sand is sand of particles originating in tropical and sub tropical marine environments from bioerosion of limestone skeletal material of marine organisms. One example of this process is that of parrot fishes which bite …
78India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …
79Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …
80Geology of Alderley Edge — Infobox Mountain Name = Alderley Edge Photo = Stormy Point 1993.jpg Caption = Stormy Point Elevation = 183 m (600 ft) Location = Cheshire, ENG Range = Prominence = Coordinates = Topographic OS Landranger 118 Grid ref UK = SJ870760 Grid ref… …
