The Collaborative International Dictionary
geochemistry \ge`o*chem"is*try\ (j[=e]`[-o]*k[e^]m"[i^]s*tr[y^]), n. [Gr. ge`a, gh^, the earth + chemistry.] The study of the chemical composition of, and of actual or possible chemical changes in, the crust of the earth. -- Ge`o*chem"ic*al, a. -- Ge`o*chem"ist, n.
Wiktionary
a. Of or pertaining to geochemistry
Usage examples of "geochemical".
Only intuition can permit mankind to see and hear the footsteps of those geochemical spirits who have managed the life of a functioning whole world as a single organism.
Four computer stations occupied the forward and aft walls, and the outside wall was filled with the daunting array of processing equipment needed to prepare samples for geochemical analysis.
She reactivated her computer console and resumed work on the geochemical data for the individual planets.
Side effects from the drugs he was told to take or from the geochemical environment in which he was serving.
Martian nitrogen isotopic signatures, with geochemical spectroscopic certificates.
It also marks another big step in the takeover of geochemical processes by living things: most Phanerozoic limestones are made of biological debris.
Veron Shipways, forty percent owned by Allied Geochemical, which is wholly owned by the Paraden family.
You should wind up with material for a pretty complete geochemical picture of this neighborhood.
Or perhaps the meteorological abnormalities in the planetesimal ring bodies that orbit the seventeenth geochemical hybrid ventigrain of Ursalia VII?
Above a threshold level of radiation input, the geochemical and biochemical cycles that had maintained the temperature of Earth would be overwhelmed.