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News :: Environment |
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Earth's Earliest History |
Current rating: 1 |
by Jack AKA DAN "Hasn't He Figured out Yet, that Posting to theLocal Newswire triggers the 'bot?" Disinfo
(No verified email address) |
27 May 2003
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The 35-km-long outcrop at Isua in West Greenland contains some of the oldest rocks on Earth, dated at around 3.8 billion years old. |
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Ultraprecise measurements of the decay product (neodymium-142) of an extinct isotope (samarium-146) in these rocks now provide clear evidence that the Earth's mantle underwent significant chemical differentiation during the first several hundred million years following Earth's accretion some 4,560 million years ago. This work has been made possible now by the precision available with the latest generation of thermal ionization mass spectrometer. The new data are consistent with a mean age of mantle differentiation of about 4,460 million years, probably reflecting differentiation of the Earth's mantle during the final stage of terrestrial accretion. |
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Re: Earth's Earliest History |
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27 May 2003
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Hundreds Of Thousands Argentines Wildly Cheer Fidel Castro's Speech Criticizing U.S. Foreign Policy |
by Bill koyer AKA DAN "If Only I Had Posted This to the Elsewhere Newswire, It Would Have Been a Stand-Alone Story" Disinfo
(No verified email address) |
Current rating: 3
27 May 2003
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Bill koyer
BUENOS AIRES, Argentina - To the cheers of hundreds of thousands of cheering Argentines, Cuban leader Fidel Castro criticized U.S. foreign policy in the Middle East and Latin America in a speech Monday.
Castro, who attended Sunday's inauguration of President Nestor Kirchner, was on his first trip to this South American country since 1995.
Dressed in a dark blue suit and tie, Castro drew shouts of "Ole! Ole! Ole!" and "Fidel! Fidel!" as he spoke for more than two and a half hours outdoors on a crisp winter night.
Castro began by paying homage to Argentina-born revolutionary Ernesto "Che" Guevara, who served as one of his top advisers during the 1959 revolution.
"He was a wonderful human being, extremely intelligent and cultured, and who had an enormous sense of solidarity," he said.
Castro then compared his country's achievements in health care and education to levels attained by the United States in the same field. But his criticism of the U.S-led war in Iraq drew the loudest applause.
"We send our doctors, not bombs, to the farthest corners of the world to help save lives, not kill them," he said to a roar of cheers.
"The people of Buenos Aires are sending a message to those in the world who want to ride roughshod over our cities and our countries in Latin America," he added in reference to the United States.
The speech was organized by a student group and originally planned to be held in an auditorium at the University of Buenos Aires Law School, but was moved outdoors after Hundreds of thousands swarmed the building to hear Castro speak.
Castro arrived in Buenos Aires on Saturday with more than a dozen Latin American leaders attending the inaugural ceremonies for Kirchner, a center-left former governor who took office as Argentina's sixth president in 18 months. Kirchner has promised a more protectionist stance to help lift the country out of five years of grinding recession.
Earlier Monday, the Cuban leader met with Kirchner for almost an hour. Argentine Foreign Minister Rafael Bielsa later said Castro had asked the new president to strengthen the countries' ties by appointing a new ambassador to Cuba.
Former President Fernando De la Rua withdrew the Argentine ambassador in Havana in 2001 after Castro harshly criticized his government's decision to condemn Cuba in an annual vote at the U.N. Human Rights Commission.
This year, Argentina reversed its decision by choosing to abstain in the April vote.
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