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Canada’s 4.16-billion-year-old rocks may unlock Earth’s ancient geological secrets
New testing now shows the rocks are 4.16 billion years old, formed during the Hadean eon, when Earth was just beginning to ...
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Experimental Investigation of Soapstone and Granite Rocks as Energy-Storage Materials for Concentrated Solar Power Generation and Solar Drying Technology | ACS Omega
The highest porosity values were 8.06 %Vol for basalt rocks and 12.79 %Vol for schist rock. The quartzitic sandstone and rhyolite had the lowest porosity of 0.39 and 0.41%Vol, ... Lower-grade ...