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This method, known as Sm-Nd dating, works particularly well on rocks that don’t contain zircon, which is common in felsic rocks but absent in the mafic and ultramafic rocks believed to dominate ...
If the new age of these Canadian rocks is solid, they would be the first and only ones known to have survived Earth’s earliest, tumultuous time.
Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada.
Earth Science Ancient Rocks in Canada Are Almost as Old as the Earth Itself Rocks older than 4.03 billion years could shed light on Earth's earliest geological history, but they're incredibly rare.
Hard rock evolved from several popular music factors at the beginning of the '70s. From electric blues to garage rock to pop radio, shifts in tastes and performance blurred the line between rock ...
Geologists recently dated the age of Watersmeet gneiss, a type of rock in the Upper Peninsula, as the oldest in the U.S. Here's what to know.
A 1993 draft environmental assessment of Vesleskarvet reported the feature was composed of mafic igneous rock estimated to be more than a billion years old.
Rob Zombie, Five Finger Death Punch and Bad Omens lead the way, but see who else will be playing the annual summer Rock Fest in Wisconsin.
Interested in more newsletters? Hole 004 now underway is an 800m step out from Hole 2 and has collared into the same coarse mafic-ultramafic rock (Photo 1) with disseminated sulfide. As shown on the ...
Photo 2. (left) Evidence for magma mixing just east of the mineralized mafic-ultramafic rock shown in Photo 1 from the Trans Canada Highway exposure, as part of a gradational change from leucocratic ...
(left) Evidence for magma mixing just east of the mineralized mafic-ultramafic rock shown in Photo 1 from the Trans Canada Highway exposure, as part of a gradational change from leucocratic gabbro ...
Drilling now confirms the Westwood magnetic target is a large mafic-ultramafic complex, showing magmatic sulfide segregations consistent with the showing over 600m to the west on the Trans Canada ...