Individual 1−3 mm biotite and muscovite clasts from Hanford sediment were contacted with 0.08 M CsNO3. They were examined using electron or X-ray microprobe methods, as intact specimens or sectioned ...

Science News: A groundbreaking discovery in northern Quebec has confirmed the existence of Earth's oldest known rocks, dating back 4.16 billion years. These ancient ...

Heart-stopping video shows two people playing in the water near a popular Utah waterfall when falling rocks begin to slam down into the water around them, narrowly missing the swimmers. The Bureau ...

Chemical compositions of rock-forming (biotite, amphibole) and accessory minerals (magnetite, apatite) in the potassic to propylitic altered diorite porphyry of Masjeddaghi serve as key indicators of ...

Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq Greenstone Belt in Quebec has long been known for its ancient rocks, but ...

The deformed types are the most evolved rocks in the province and carry rare ‘agpaitic’ minerals, some being described for the first time in granites from Brazil. The larger Quiriri Pluton comprises ...