geochemically — adverb see geochemistry … New Collegiate Dictionary
geochemically — See geochemical. * * * … Universalium
geochemically — adverb a) In a geochemical manner b) With regards to geochemistry … Wiktionary
geochemically — geo·chemically … English syllables
geochemically — adverb see geochemical * * * geochemˈically adverb • • • Main Entry: ↑geochemistry … Useful english dictionary
mineral deposit — Introduction aggregate of a mineral in an unusually high concentration. About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… … Universalium
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
geochemistry — noun Date: 1902 1. a science that deals with the chemical composition of and chemical changes in the solid matter of the earth or a celestial body (as the moon) 2. the related chemical and geological properties of a substance • geochemical… … New Collegiate Dictionary
Fossil — For other uses, see Fossil (disambiguation). Three small ammonite fossils, each approximately 1.5 cm across … Wikipedia
Moon — This article is about Earth s Moon. For moons in general, see Natural satellite. For other uses, see Moon (disambiguation) … Wikipedia
