gravity prospecting
51A Princess of Mars — Infobox Book name = A Princess of Mars title orig = Under the Moons of Mars translator = image caption = dust jacket of A Princess of Mars author = Edgar Rice Burroughs illustrator = Frank E. Schoonover cover artist = country = United States… …
52Tsavorite — Infobox mineral name = Tsavorite category = boxwidth = boxbgcolor = imagesize = 200px caption = formula = Ca3Al2Si3O12 molweight = color = Light to deep green habit = system = cubic twinning = cleavage = fracture = mohs = 7 7.5 luster = polish =… …
53Sword and planet — is a subgenre of speculative fiction that features rousing adventure stories set on other planets, and usually featuring Earthmen as protagonists. Though there are works that herald the genre such as Percy Greg s Across The Zodiac (1880) and,… …
54Kambalda type komatiitic nickel ore deposits — Kambalda type nickel ore deposits are a class of magmatic nickel copper ore deposit in which the physical processes of komatiite volcanology serve to enrich, concentrate and deposit nickel bearing sulfide within the lava flow environment of an… …
55Space solar power — Space based solar power (SBSP or SSP) is the conversion of solar energy into power, usable either in space or on earth, from a location in space, usually geosynchronous orbit (GSO). Photovoltaics (PV) would generally be utilized for energy… …
56Transient electromagnetics — Basic Principles = Transient electromagnetics, or time domain methods (TEM or TDEM), refer to a branch of geophysics, among other disciplines, that use an electromagnetic impulse excitation to investigate the subsurface. TEM methods are generally …
57Krutovite — Infobox mineral name = Krutovite category = Mineral boxwidth = boxbgcolor = imagesize = caption = formula = nickel (nickel diarsenide , NiAs22) molweight = color = grayish white habit = system = Isometric Diploidal (2/m 3) twinning = cleavage =… …
58Hemerdon Mine — pits near Lee Moor. The mine, out of operation since 1944, hosts one of the largest tungsten and tin deposits in the world. [ [http://www.mineweb.com/mineweb/view/mineweb/en/page674?oid=41265 sn=Detail Mineweb Article] ]… …
59china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …
60China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast …
