The Dil-Dil Plateau is a small lava plateau on the west side of the upper valley of Big Creek in the southern Chilcotin District

Chilcotin District

The Chilcotin District of British Columbia is usually known simply as "the Chilcotin", and also in speech commonly as "the Chilcotin Country" or simply Chilcotin. It is a plateau and mountain region in British Columbia on the inland lea of the Coast Mountains on the west side of the Fraser River....

 of the Central Interior of British Columbia

British Columbia Interior

The British Columbia Interior or BC Interior or Interior of British Columbia, usually referred to only as the Interior, is one of the three main regions of the Canadian province of British Columbia, the other two being the Lower Mainland, which comprises the overlapping areas of Greater Vancouver...

. The plateau is a shelf-like extension of the subrange of the Chilcotin Ranges

Chilcotin Ranges

The Chilcotin Ranges are a subdivision of the Pacific Ranges of the Coast Mountains . They lie on the inland lea of the Pacific Ranges, abutting the Interior Plateau of British Columbia...

 containing Taseko Mountain

Taseko Mountain

Taseko Mountain, also known as Mount Taseko 3063 m , prominence: 1277 m, is one of the principal summits of the Chilcotin Ranges, part of the Pacific Ranges subdivision of the Coast Mountains of southern British Columbia...

 and Mount Vic

Mount Vic

Mount Vic 3005 m , prominence: 712 m, is a mountain in the Chilcotin Ranges of the Central Interior of British Columbia, Canada, located east of the southernmost of the Taseko Lakes and southeast of Taseko Mountain...

 to the west, and is roughly rectangular in shape, and of c.25–30 km² in area and forming a transition between the range and the Chilcotin Plateau

Chilcotin Plateau

The Chilcotin Plateau is part of the Fraser Plateau, a major subdivision of the Interior Plateau of British Columbia. The Chilcotin Plateau is physically near-identical with the region of the same name, i.e...

 at 2000m-2300m.

The Dil-Dil Plateau consists of mostly flat lying basalt

Basalt

Basalt is a common extrusive volcanic rock. It is usually grey to black and fine-grained due to rapid cooling of lava at the surface of a planet. It may be porphyritic containing larger crystals in a fine matrix, or vesicular, or frothy scoria. Unweathered basalt is black or grey...

ic lava flows with ages ranging from Miocene

Miocene

The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...

 to Pliocene

Pliocene

The Pliocene Epoch is the period in the geologic timescale that extends from 5.332 million to 2.588 million years before present. It is the second and youngest epoch of the Neogene Period in the Cenozoic Era. The Pliocene follows the Miocene Epoch and is followed by the Pleistocene Epoch...

 on the geologic time scale

Geologic time scale

The geologic time scale provides a system of chronologic measurement relating stratigraphy to time that is used by geologists, paleontologists and other earth scientists to describe the timing and relationships between events that have occurred during the history of the Earth...

. These basalts are part of a larger volcanic formation known as the Chilcotin Group.

External links

• Trail Ventures BC photogallery (see 3/4 of the way down the page, on the right)