
Hematite 'gỉ sắt' được phát hiện trong mẫu mặt trăng Chang'e-6 cho thấy Fe2O3 trên mặt trăng, thách thức quan điểm của chúng ta về hóa học mặt trăng và mở ra các chương mới trong sự phát triển mặt trăng.
A #handmade #minimal #earrings available with various round #gemstones made with #SterlingSilver. Choose among #hematite #Agate #sodalite #Carnelian #amazonite #quartz #aventurine #goldstone and #tigerseye in various colors.
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#Hematite is also found on the island of Montreal -here associated with alkali-rich mafic magma intruding into limestone. The Francon quarry was primarily a source of building stone.
In the MinDat photo by Chris Emproto (sampled by Steve Chamberlain) the hematite is on Dawsonite*, NaAlCO3(OH)2
*John William Dawson a pioneer in the field of palaeobotany and a principal of #mcgilluniversity
Over two billion tonnes of iron ore have been mined from the Labrador Trough of Quebec and Labrador over the last 70 years. The paleo-Proterozoic sediments have been variably metamorphosed (you can see the bend in the southern part of the belt caused by the younger Grenville orogeny). Much of the direct shipping ore is dominated by the mineral #Hematite.
The steel of your lunchtime knife and fork may have come from the Trough!