In geology, a sill is a tabular sheet intrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff, or along the...

dock Sill (geology), a subhorizontal sheet intrusion of molten or solidified magma Sill (geostatistics) Sill (river), a river in Austria Sill plate, a construction...

research on the Palisades Sill is currently ongoing. Diabase Igneous differentiation Sill (geology) "NYC Regional Geology: The Palisades". U.S. Department...

same time. The Little Whin Sill is an associated formation to the south, in Weardale. Much of the early study of geology began in the British Isles,...

Camarinal Sill Denmark Strait Espartel Sill Mona Passage Beach evolution Coastal management and coastal erosion Drop structure, a manmade sill Sill (geology) Bureau...

A sill swarm or sill complex in geology is a major group of sills intruded within continental crust. They are located under volcanic edifices, including...

123°N 3.946°W / 56.123; -3.946 The Stirling Sill is an outcropping of a large quartz-dolerite intrusion or sill that underlies a large part of central Scotland...

The Palisades Sill is a fine-grained porphyritic dacite sill which forms spectacular cliffs and palisades in the Cimarron River canyon between Eagle Nest...

at the top. The sills are thought to have been formed by crystal settling. Recent study has suggested that at least one of the sills is an example of...

A swell in geology is a domed area of considerable areal extent. According to Leser, it is also called a sill (geology), and is a gently arched landform...

sedimentary rock layers Its upper sedimentary layers have been intruded by two sills of lava, which have made the upper part of the pillar more resistant to...

dolerite, microgranite, and diorite. Cone sheet Dike (geology) Igneous intrusion Sill (geology) "7 Plutons and Plutonic Rocks – Open Petrology". Retrieved...

Geology (from Ancient Greek γῆ (gê) 'earth' and λoγία (-logía) 'study of, discourse') is a branch of natural science concerned with the Earth and other...

Mount McKay is a mafic sill located south of Thunder Bay, Ontario, Canada, on the Indian reserve of the Fort William First Nation. It is the highest, most...

Other examples of nearby sills are Fair Head, the Portrush sill which forms Ramore Head and the Skerries, and the Knocksoghey Sill near Ballintoy, part of...

castle sits atop an intrusive crag, which forms part of the Stirling Sill geological formation. It is surrounded on three sides by steep cliffs, giving...

The Nor'Wester Mountains are a group of mountains immediately south of Thunder Bay, Ontario, Canada, located on the southern limits of the City of Thunder...

vertical columns like organ pipes, which formed 60 million years ago when a sill of igneous rock was injected between horizontal Carboniferous sediments....

Sleeping Giant is a series of mesas formed by the erosion of thick, diabase sills on Sibley Peninsula which resembles a giant lying on its back when viewed...

400; -79.683 The Nipissing sills, also called the Nipissing diabase, is a large 2217– to 2210–million year old group of sills in the Superior craton of...

plane, it is called discordant intrusion, while a parallel intrusion by a sill indicates a sub-parallel or concordant intrusion. Most intrusions into country...

a sill that was formed underground when a volcano dominated the landscape of Natsudomari Peninsula during the Miocene. The rock of the Ōshima sill is...

Quartz Monzodiorite, and which has been intruded by many dikes and sills. Geological features of the Crazy Mountains include: Shields River South Fork...

variety of forms and compositions, illustrated by examples like the Palisades Sill of New York and New Jersey; the Henry Mountains of Utah; the Bushveld Igneous...

opened. Tectonic subsidence of the Gibraltar region may have lowered the sill until it breached. The exact triggering event is not known with certainty;...

A geological contact is a boundary which separates one rock body from another. A contact can be formed during deposition, by the intrusion of magma, or...

Salinas de Garci Mendoza, near a maar named Jayu Quta ("salt lake"). It is a sill formed from primitive phyric alkali basalt that closely resembles ocean island...

conglomerate, quartzite, basalt, chert, limestone, lava flows and sills. Lava flows and sills, in particular, are very resistant to weathering and erosion...

The Winagami sill complex, also called the Winagami sills, is a Paleoproterozoic large igneous province of northwestern Alberta, Canada. It consists of...

The geology of Great Britain is renowned for its diversity. As a result of its eventful geological history, Great Britain shows a rich variety of landscapes...