Terms: Natural Abundance (251,000), elemental abundance (16,100), natural occurance (44,900), abundance of the elements (1,420), absolute abundances (1,390), elemental abundances (68,200), distribution of elements (57,500), distribution of the elements (8,470), geochemical distribution (470),
Terms: geochemistry (3,490,000), astrochemistry (122,000), stellar chemistry (50,900),
National Geochemical Survey Database
USGS Open-File Report 2004-1368
The National Geochemical Survey - Geochemical Mapping of the United States - U.S. Geological Survey Open-File Report 2004-1001
Analytical Information in the NGS Database
US Map of Aluminum Weight Percent
Calcium, Sodium, Carbon, Sulfur, Nitrogen, Phosphorus ---- Table of the Elements
Terms: geochemical map (614), geochemical mapping (2,440), geochemical atlas (1,760), geochemical survey (59,600), geochemical surveys (89,400), geological survey (16,300,000), geochemical coverage (215),
Terms: major element geochemistry (534),
Terms: soil maps (212,000), soil map (222,000), geological map (384,000), soil composition (276,000), composition of soils (2,450), composition of rocks (14,700), rock composition (65,400), geochemistry of soils (377),
Terms: aluminum concentration (2,900), calcium concentration (305,000), iron concentration (98,000), magnesium concentration (49,100), phosphorus concentration (101,000), potassium concentration (81,100), sodium concentration (122,000), titanium concentration (388), arsenic concentration (72,600), barium concentration (694), beryllium concentration (584), bismuth concentration (134), cerium concentration (147), chromium concentration (4,040), cobalt concentration (640), copper concentration (56,800), europium concentration (71), gallium concentration (183), gold concentration (2,480), holmium concentration (30), lanthanum concentration (121),
Terms: lead concentration (117,000), lithium concentration (2,120), manganese concentration (2,910), mercury concentration (92,600), molybdenum concentration (615), neodymium concentration (101), nickel concentration (2,690), niobium concentration (132), scandium concentration (465), selenium concentration (18,100), silver concentration (1,970), strontium concentration (625), thorium concentration (520), tin concentration (528), vanadium concentration (443), ytterbium concentration (159), yttrium concentration (133), zinc concentration (49,800),
Terms: concentration of (29,400,000),
Terms: soil composition (276,000), composition of soils (2,450),
Terms: composition of food (52,600), food composition (406,000), food compositions (1,210), composition of foods (73,600), cereal chemistry (67,800), food chemistry (1,530,000), chemistry (128,000,000), chemistry of (7,260,000),
Boolean: absolute +abundance +(isotopes OR isotope OR isotopic) (189,000), absolute +abundance +"the elements" (328,000), absolute +abundance +"chemical elements" (6,980),
Terms: isotopic abundance (45,000), isotopic abundances (57,000), isotopic distribution (53,800), distribution of isotopes (485), isotopic signature (60,100), isotopic signatures (75,500),
Boolean: "distribution of" +"chemical elements" (130,000), "distribution of" +"the elements" (2,800,000), geochemical +distribution +elements (420,000),
Terms: body composition (2,530,000), composition of human body (145),
Terms: chemical composition (4,140,000), elemental composition (277,000), mineral composition (245,000), molecular composition (155,000), protein composition (166,000),
Terms: composition of the earth (52,700), chemical composition of the earth (484), composition of earth (40,000), chemical composition of earth (531),
Terms: composition of the atmosphere (183,000), atmospheric composition (404,000), primitive atmosphere (13,100), primitive atmospheres (136), atmospheric chemistry (1,190,000), chemistry of the atmosphere (69,300),
Terms: paleontology (8,640,000), prehistoric life (316,000), prehistoric lifeforms (174), geochemistry (3,490,000), geochemical (2,580,000), geobiology (177,000), geobiological (2,380),
Terms: ancient ocean (79,400), ancient oceans (68,800), primordial ocean (4,070), primordial seas (1,160), composition of sea water (1,320), composition of the ocean (1,400), composition of ocean (670), chemical oceanography (182,000), chemistry of the oceans (2,180), ocean chemisty (15),
Boolean: "human body" +composition (1,550,000), "sea water" +composition (442,000), "the earth" +composition (5,320,000), "the ocean" +composition (2,170,000),
Boolean: "human body" +"chemical elements" (81,500), "sea water" +"chemical elements" (11,600), "the earth" +"chemical elements" (230,000), "the ocean" +"chemical elements" (57,200),
Terms: abundance of the chemical elements (601), abundance of the elements (1,420),
Terms: nucleosynthesis (410,000),
Terms: carbonaceous chondrites (69,700), carbonaceous (884,000), carbon-rich chondrites (39),
Terms: origin of the universe (563,000), origin of the solar system (109,000), origin of the earth (100,000), origin of the atmosphere (544), origin of earth's (2,550),
