Data from Oceanographer, Lydonia, and Gilbert Canyons acquired in 1965 (SCHWARTZ65 shapefile)

Submarine canyons occur at the edge of the continental shelf and cut across the slope and rise along the U.S. east coast. Three of these canyons (Oceanographer, Lydonia, and Gilbert) are situated south of Georges Bank. Gravity cores and grab samples were collected as part of a study of the active processes and sediment distributions within these features. The results of the textural analyses are contained in this data layer.

海底峡谷（submarine canyons）发育于大陆架（continental shelf）边缘，横穿美国东海岸沿线的大陆坡（continental slope）与陆隆（continental rise）。其中三处海底峡谷分别为海洋学家峡谷（Oceanographer）、利多尼亚峡谷（Lydonia）与吉尔伯特峡谷（Gilbert），它们均位于乔治滩（Georges Bank）以南。为研究这些海底峡谷内部的活跃过程与沉积物分布特征，研究团队采集了重力岩心与抓斗采样样品。本数据图层包含了沉积物粒度分析的全部结果。