Geochronologic and Related Studies, Southern New England and Scandinavia

这项研究将继续对新英格兰南部阿巴拉契亚山脉的变形和变质组构进行地质年代学和岩石学分析。最近开发的微结构/地质年代学技术将用于评估变形组构的年龄，并将允许直接测定剪切带的年龄。斯堪的纳维亚加里多尼德山脉的一项相关研究将与新英格兰研究相结合，以评估和约束阿巴拉契亚-加里多尼亚造山带的构造模式。这一结果将与造山带的一系列构造问题有关，并将进一步完善变形直接测年技术。

This study will continue geochronological and petrological analyses of deformational and metamorphic fabrics in the southern New England Appalachians. A recently developed microtextural/ geochronologic technique will be used to evaluate ages of deformational fabrics and will permit direct dating of shear zones. A related study in the Scandinavian Caledonides will be integrated with the New England study to evaluate and constrain tectonic models of the Appalachian-Caledonidian orogen. The results will be relevant to a broad range of tectonic problems in orogenic belts and will also further refine the techniques of direct dating of deformation.