andesitic

Copper Creek has known mafic rocks within the district such as andesitic volcanics and diabase, older than and surrounding the existing porphyry hosted resources which remain open to expansion in most directions.

The Earth Times Online Newspaper 2010

This layer of tuff was in turn overlain by a series of andesitic and basaltic lavas, between the late Pliocene and early Pleistocene.

Göreme National Park and the Rock Sites of Cappodocia, Turkey 2008

For 25 million years andesitic volcanic ashflows and mudflows were common, covering and petrifying forests: nearly 200 species of petrified plants have been found.

Yellowstone National Park, United States 2009

The andesitic volcanic material has higher nutrient content and water holding capacity than the rhyolitic soils of the neighboring Yellowstone Plateau (17j).

Ecoregions of Wyoming (EPA) 2009

These peripheral islands form the remnants of a single andesitic volcano ( 'Ancient Krakatau') which exploded and collapsed some 1,500 years ago leaving three remnant cones.

Ujung Kulon National Park and Krakatau Nature Reserve, Indonesia 2009

These have left volcanoclastic deposits and andesitic lavas found together with intercalated turbidic marine sediments corresponding to tertiary sedimentary formations.

Western Ecuador moist forests 2008

Soils are generally weathered andesitic ash, being dark sandy loams and loamy sands to the west; drainage is frequently poor.

Tongariro National Park, New Zealand 2008

The volcanoes in the park, which are predominantly andesitic in composition, fall into two groups on the basis of location, activity and size.

Tongariro National Park, New Zealand 2008

The steep, mountainous Volcanic Subalpine Forests ecoregion is composed of volcanic and igneous rocks, predominately andesitic with areas of basalt.

Ecoregions of Colorado (EPA) 2008

The hills are composed of andesitic volcanic rock and are 500 to 1,000 feet higher than the adjacent ecoregions of 22.

Ecoregions of Colorado (EPA) 2008