The phrase "a massive volcanic" is correct and usable in written English.
It can be used when describing a large volcanic feature, event, or eruption in a geological context.
Example: "The scientists studied a massive volcanic eruption that occurred thousands of years ago, which shaped the landscape of the region."
Alternatives: "a huge volcano" or "a large volcanic".
We're standing at the edge of Cinder Lake, a massive volcanic field near Flagstaff, Arizona.
Emissions are low; even a massive volcanic eruption such as Mount Pinatubo releases only a fraction of the carbon dioxide emitted by fossil-fuel combustion in a year.
Although the underlying causes are unclear, some authorities associate the PETM with the sudden release of methane hydrates from ocean sediments (see methane burp hypothesis) triggered by a massive volcanic eruption.
This episode took place roughly 55 million years ago, and the rise in CH4 appears to have been related to a massive volcanic eruption that interacted with methane-containing flood deposits.
This is because the Semilir Formation is a massive volcanic rock which consists of interbedded tuff breccia, pumice breccia, dacite tuff, andesite tuff, and tuffaceous clay stone.
Known collectively as the Crater Lakes, their 65m deep, tranquil ultramarine waters belie a violent past: both were formed anywhere from 17,000 to 10,000 years ago by a massive volcanic eruption.
And why aren't all massive volcanic eruptions devastating to life?
Dimetrodon and its cousins do, indeed, seem to have met their fate at the hands of a huge impact, with a background of massive volcanic eruptions, just like the dinosaurs.Yet there is a niggling worry in all this.
Then came a series of massive volcanic eruptions that shook the island almost without a break from 1730 to 1735.
First, past extinctions have been driven by what are now becoming very familiar horsemen of a planetary apocalypse: massive volcanic outbursts to choke the atmosphere and poison the seas; the mayhem caused by major asteroid impact; and the wrenching effects of rapid climate change.
About 120 million years ago, during the early part of the Cretaceous period, a series of massive volcanic eruptions pumped huge amounts of carbon dioxide (CO2)into Earth's atmosphere.
