gabbro-norite
11Aitken (cratère) — Pour les articles homonymes, voir Aitken. Aitken Aitken vu depuis Apollo 17 le 12 décembre 1972 …
12Windimurra intrusion — The Windimurra Intrusion is a giant ultramafic mafic intrusion emplaced within the Yilgarn craton of Western Australia. It is located approximately 100 kilometres south east of the town of Mount Magnet.ettingWindimurra is a conical sheet like… …
13Enstatite — Infobox mineral name = Enstatite category = Silicate mineral boxwidth = boxbgcolor = imagesize = caption = formula = Mg2Si2O6 molweight = color = White, grey, green, yellow or brown colorless in thin section. habit = Lamellar, fibrous, or massive …
14Gold mining in Alaska — Gold mining in Alaska, a state of the United States, has been a major industry and impetus for exploration and settlement since a few years after the United States acquired the territory from Russia. Russian explorers discovered placer gold in… …
15Admiralty mining district — Infobox Settlement name = Admiralty mining district official name = settlement type = Alaska Mining District nickname = motto = |pushpin pushpin label position =left pushpin map caption = pushpin mapsize = mapsize = map caption = mapsize1 = map… …
16Jacques Thoreau — (27 septembre 1886 à Bruxelles 11 janvier 1973) fut professeur de minéralogie à l Université catholique de Louvain (UCL). Sommaire 1 Biographie 2 Distinctions honorifiques …
17Bushveld Igneous Complex — The Bushveld Igneous Complex (or BIC) is a large igneous intrusion within the Earth s crust which has been tilted and eroded and now outcrops around what appears to be the edge of a great geological basin. Located in South Africa, the BIC… …
18Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… …
19Norit — Impala dunkel ist ein Norit: Muster (20 × 15 cm) Norite zählen zu den Hartgesteinen. Sie haben granitähnliche technische Eigenschaften. Da diesen Steinen Quarz fehlt, sind sie allerdings nicht so verschleißfest wie die Granite. Es… …
20Sudbury Basin — The Sudbury Basin, also known as Sudbury Structure or the Sudbury Nickel Irruptive, is the second largest known impact crater or astrobleme on Earth, and a major geologic structure in Ontario, Canada.The basin is located on the Canadian Shield in …
