Vol. 300, Issue 6, 2000

The Nanga Parbat-Haramosh Massif (NPHM) is located in northwestern Pakistan at one of the two great syntaxial bends of the Himalayas. The NPHM has experienced a complex tectonic and metamorphic...

The distribution of various forms of P in surface sediments across the Eastern Mediterranean and in Saharan dust and Nile particulates as a potentially important source of sediment to the...

Kaolinite and dioctahedral and trioctahedral smectite were hydrothermally synthesized using silicate gels with variable Al/Fe/Mg ratios (0.9/0.05/0.05 to 0.05/0.05/0.9) at temperatures of 175 degrees , 200 degrees , and 225...

Abraded zircons from the basal rhyolitic tuff member of the White Rock Formation, which disconformably overlies the Cambrian-Early Ordovician Meguma Group, have yielded a nearly concordant U-Pb age of 442+...