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#Redirect [[Basalt#Columnar basalt]] [[Category:Columnar basalts| ]] ...

[[Category:Columnar basalts of the United Kingdom]] ...

'''Little Devils Postpile''' is a [[columnar basalt]] [[rock formation]] in the [[Sierra Nevada (U.S.)|Sierra Nevada]], The formation is a set of columnar joints in a [[basalt]] [[volcanic plug|plug]] resembling the larger formati ...

* [[List of columnar basalts in Iceland]] [[Category:Columnar basalts of Iceland]] ...

...d Road. The river [[Skjálfandafljót]] drops here from a height of 20m. The columnar jointed basalt belongs to a 9000 years old lava field called ''Bárðardalshr [[Category:Columnar basalts of Iceland]] ...

...is one of the most popular sights in the park. It is surrounded by dark [[Columnar jointing|lava columns]], which gave rise to its name. The base of this wate Svartifoss is renowned for its display of columnar-jointed [[basalt]], forming a natural amphitheatre roughly 15–20 metre ...

Latourell Falls is an excellent example of [[columnar basalt]] formations. [[Category:Columnar basalts of the United States]] ...

Carved from ancient columnar [[basalt]], Toketee Falls drops approximately {{convert|120|ft|m}} in two s [[Category:Columnar basalts of the United States]] ...

...-76-6}}</ref> Trap is also used to refer to [[flood basalt|flood (plateau) basalts]], such as the [[Deccan Traps]] and [[Siberian Traps]].<ref name="LeMaitre2 ...1–4, pp. 93–96</ref><ref name="Spry1962a">Spry, A. (1962). "The origin of columnar jointing, particularly in basalt flows". ''Journal of the Geological Societ ...

[[Category:Columnar basalts]] ...

===Flood basalts=== ...ly exposed by erosion (with extensive displays of [[Basalt#Columnar basalt|columnar basalt]]), and measure almost {{convert|2|km|mi|abbr=on}} in total thicknes ...

| habit = Tabular to acicular, radiating fibrous, spheroidal, or columnar; massive ...

[[Category:Columnar basalts]] ...

[[Category:Columnar basalts]] ...

...cts Devils Postpile, an unusual rock formation of [[Basalt#Columnar basalt|columnar basalt]], "all closely and perfectly fitted together like a vast mosaic."<r The name "Devils Postpile" refers to a dark cliff of [[columnar basalt]]. [[Radiometric dating]] indicates the formation was created by a l ...

...neous rocks are much less abundant than silica-saturated and oversaturated basalts. Genesis of the less common mafic rocks such as nephelinite is usually ascr [[Image:Uvalde columns.jpg|thumb|Columnar jointing in melilite-olivine nephelinite from the Southern Balcones volcani ...

...imilar to that which is exposed on the cliffs near the dam. These columnar basalts were formed from lava flows during the mid- to late-[[Miocene Epoch]], some ...

...between the oldest (western) and youngest (eastern) basalts. The youngest basalts are undersaturated alkaline lavas and are classified as [[basanite]], sugge ...a {{Convert|40|to|60|m|ft|abbr=on}} thick sequence of [[Columnar jointing|columnar-jointed]] comendite flows. Late stage volcanism resulted in the creation of ...

| habit = Tabular to acicular, radiating fibrous, spheroidal, or columnar; massive ...

...and Stephen W. Morris (2009) "Nonequilibrium scale selection mechanism for columnar jointing". ''PNAS'' 2009 106 (2) 387–392</ref> [[Category:Columnar basalts of the United Kingdom]] ...