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Comentario sobre "Un vestigio de la ofiolita más antigua de la Tierra"
Allen P Nutman1, Clark R L Friend
1Institute of Geology, Chinese Academy of Geological Sciences, 26 Baiwanzhuang Road, Beijing 100037, China. nutman@bjshrimp.cn
Science (New York, N.Y.)
|November 3, 2007
Resumen
El cinturón supracrustal de Isua puede no contener una secuencia de ofiolitas como se afirma. Las rocas dentro de esta antigua formación geológica son de diferentes edades, lo que desafía la naturaleza contemporánea de los componentes ofiolitos propuestos.
Área de la Ciencia:
- Geología Geología Geología.
- Las condiciones de la Tierra primitiva.
- Formación rocosa Formación rocosa Formación rocosa Formación rocosa
Sus antecedentes:
- El cinturón supracrustal de Isua es una formación geológica de aproximadamente 3.800 millones de años.
- Las secuencias de ofiolitas son restos de la corteza oceánica y la litosfera que se encuentran en la tierra.
- Investigaciones anteriores informaron la identificación de una secuencia de ofiolitas dentro del cinturón supracrustal de Isua.
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