The Global Boundary Stratotype Section and Point (GSSP) for the base of the Hirnantian Stage (the uppermost of the Ordovician System)

• 来源期刊: 幕-国际地学杂志（英文版）
• 年，卷（期）: 2006,（3）
• 页码范围: 183-196
• 页数: 14页
• 语种: 英文

摘要

The Global boundary Stratotype Section and Point (GSSP) for the base of the Hirnantian Stage (the uppermost of the Ordovician System) is defined at a point 0.39m below the base of the Kuanyinchiao Bed in the Wangjiawan North section.