Ad
related to: turquoise sandstones
Search results
Results from the WOW.Com Content Network
Turquoise in the Sinai Peninsula is found in lower Carboniferous sandstones overlain by basalt flows and upper Carboniferous limestone. The overlying beds were presumably the source of the copper, which precipitated as turquoise in nodules, horizontal seams, or vertical joints in the sandstone beds.
Adams Gate at Bamberg Cathedral made of Burgpreppach Sandstone Quarry in Worzeldorf (Nuremberg). Abtswind Sandstone: on the Friedrichsberg near Abtswind; Burgpreppach Sandstone: Burgpreppach
Kurkar is the regional name for an aeolian quartz sandstone with carbonate cement, [3] in other words an eolianite or a calcarenite (calcareous sandstone or grainstone), found on the Levantine coast of the Mediterranean Sea in Turkey, [3] Syria, Lebanon, Israel, [4] the Gaza Strip [5] and northern Sinai Peninsula. [6]
Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains, cemented together by another mineral. Sandstones comprise about 20–25% of all sedimentary rocks.
The site was rediscovered in 1809 by Ulrich Jasper Seetzen, and since then has seen several excavation teams, Richard Lepsius's excavation in 1845 being the first. Major C. K. McDonald's visits to the site, including residence at the site from 1854–1866 (and an effort to mine turquoise there) resulted in only surface finds (arrowheads and such) with no further excavation.
Hubbell Trading Post National Historic Site is a historic site on Highway 191, north of Chambers, with an exhibit center in Ganado, Arizona.It is considered a meeting ground of two cultures between the Navajo and the settlers who came to the area to trade.
Lithic sandstones can have a speckled (salt and pepper) or gray color, and are usually associated with one specific type of lithic fragment (i.e., igneous, sedimentary, or metamorphic). [ 1 ] Tectonically, lithic sandstones often form in a wide variety sedimentary depositional environments (including fluvial , deltaic , and alluvial sediments ...
They are closely related to sandstones in origin, and exhibit many of the same types of sedimentary structures, such as tabular and trough cross-bedding and graded bedding. [ 1 ] [ 2 ] [ 3 ] Fanglomerates are poorly sorted, matrix-rich conglomerates that originated as debris flows on alluvial fans and likely contain the largest accumulations of ...
Ad
related to: turquoise sandstones