TY - JOUR A1 - Shields, G. A. T1 - A normalised seawater strontium isotope curve and the Neoproterozoic-Cambrian chemical weathering event JO - eEarth Discuss. J1 - eED VL - 2 IS - 1 SP - 69 EP - 84 Y1 - 2007/03/22 PB - Copernicus Publications SN - 1815-3836 UR - http://www.electronic-earth-discuss.net/2/69/2007/ L1 - http://www.electronic-earth-discuss.net/2/69/2007/eed-2-69-2007.pdf ER -