sial

[n] - the granite-like rocks that form the outermost layer of the earth`s crust
Found on http://www.webdictionary.co.uk/definition.php?query=sial

sial

noun the granitelike rocks that form the outermost layer of the earth`s crust; rich in silicon and aluminum
Found on https://www.encyclo.co.uk/local/20974

sial

sial: see continent.
Found on http://www.infoplease.com/ce6/sci/A0918729.html

sial

In geochemistry and geophysics, the substance of the Earth's continental crust, as distinct from the sima of the ocean crust. The name, now used rarely, is derived from silica and alumina, its two main chemical constituents. Sial is often rich in granite
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0007783.html

sial

the upper part of Earth's crust, composed mainly of silica (Si) and aluminimu (Al). The SIAL lies above the heavier SIMA, in which silica and magnesium predominate.
Found on http://www.seafriends.org.nz/books/glossary.htm

Sial

In geology, the sial is the upper layer of the Earth`s crust made of rocks rich in silicates and aluminium minerals. It is sometimes equated with the continental crust because it is absent in the wide oceanic basins, but `sial` is a geochemical term rather than a plate tectonic term. As these elements are less dense, they tend to be concentrate......
Found on http://en.wikipedia.org/wiki/Sial

sial

The upper layer of the continental crust, so called because it is rich in silica and aluminum oxide. compare sima.
Found on https://www.encyclo.co.uk/local/22327

Sial

A general term for the silicarich rocks that form the continental masses.
Found on http://www.evcforum.net/WebPages/Glossary_Geology.html

sial

outer part of the earth's surface
Found on http://phrontistery.info/s.html
No exact match found