- brown iron oolite ore
- буро-железняковая оолитовая руда
English-Russian mining dictionary. В.П. Манышев.
English-Russian mining dictionary. В.П. Манышев.
Goethite — Infobox mineral name = Goethite category = boxwidth = boxbgcolor = imagesize = caption = Goethite,from Minas Gerais, Brazil formula = α IronOxygen(Hydroxide) molweight = color = Yellowish to reddish to dark brown habit = system = Orthorhombic… … Wikipedia
Maquoketa Group — Paleozoic Stratigraphy of the Upper Midwest, USA Dates are approximate, and deposition occurred at slightly different times in different areas This box: view · talk · … Wikipedia