In some places, 550 million-year-old rock sits on rock that has existed as long as 3 billion years. Nothing's in between. It's called the Great Unconformity, and some researchers believe it's the result of one massive cataclysmic event in Earth's history.
Visitors to Pikes Peak in Colorado may not notice that anything is amiss, but ask a geologist and she'll tell you that something is missing.
At rocky sites across America, including Pikes Peak and the Grand Canyon, 550 million-year-old rock sits on top of rock that has existed as long as 3 billion years. But there's nothing in between. It's as though that time period between 3 billion years ago and 550 million years ago has literally been wiped from Earth.It's called the Great Unconformity, and some researchers believe it's the result of one massive cataclysmic event in Earth's history.
México Últimas Noticias, México Titulares
Similar News:También puedes leer noticias similares a ésta que hemos recopilado de otras fuentes de noticias.
Opinion | Big Oil to the Coronavirus RescueFrom WSJopinion: Hand sanitizer and personal protective equipment come from hydrocarbons synthesized by Exxon Mobil. Do liberals want to divest from using those to fight off the coronavirus?
Leer más »
Big beach crowds test state's stay-at-home exhortationsFloridaMorons went viral after that state's beaches reopened. Now, amid a heat wave, thousands converged on some California beaches.
Leer más »
Coronavirus Means the Era of Big Government Is…BackHistory shows that national shocks—such as the Depression, World War II and the financial crisis—have a way of expanding the role of government in lasting ways. This one is looking like no exception.
Leer más »
Europe’s big banks can weather 2009 times threeShares in the region’s top lenders have plunged as investors fret about a surge in bad debts. Yet a Breakingviews calculator shows most capital buffers can absorb a spike three times as bad as the 2009 average. Taxpayer bailouts or widespread equity hikes are unnecessary for now.
Leer más »
Op-ed: For Big Oil, this crisis will be different, and it may be irreversibleOil and gas companies delayed in transitioning from fossil fuels and lost investors. The oil price crash caused by the coronavirus threatens to make this shift permanent.
Leer más »