sill
A tabular sheet intrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff, or along the direction of foliation in metamorphic rock
Whin Sill
Layer of dolerite rock in northern England
Palisades Sill
biogeography and geology of Cimarron River Basin
Stirling Sill
outcrop in Stirling, Scotland, UK
aquatic sill
mountain range
Palisades Sill
intrusive igneous body that forms the cliffs largely following the southern portion of the Hudson River
Abbey Craig
hill to the north of Stirling, Scotland, UK