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Saharan dust (also African dust, yellow dust, yellow sand, yellow wind or Sahara dust storms) is an aeolian mineral dust from the Sahara, the largest hot desert in the world. The desert spans just over 9 million square kilometers, from the Atlantic Ocean to the Red Sea, from the Mediterranean Sea to the Niger River valley and the Sudan region ...
Crystals of serandite, natrolite, analcime, and aegirine from Mont Saint-Hilaire, Quebec, Canada. Mineralogy is an active science in which minerals are discovered or recognised on a regular basis. Use of old mineral names is also discontinued, for example when a name is no longer considered valid. Therefore, a list of recognised mineral species ...
Amethyst crystals – a purple quartz Apophyllite crystals sitting right beside a cluster of peachy bowtie stilbite Aquamarine variety of beryl with tourmaline on orthoclase Arsenopyrite from Hidalgo del Parral, Chihuahua, Mexico Aurichalcite needles spraying out within a protected pocket lined by bladed calcite crystals Austinite from the Ojuela Mine, Mapimí, Durango, Mexico Ametrine ...
The word jungle originates from the Sanskrit word jaṅgala (जङ्गल), meaning rough and arid. It came into the English language in the 18th century via the Hindustani word for forest (Hindi/Urdu: जङ्गल / جنگل) (Jangal). [1][2] Jāṅgala has also been variously transcribed in English as jangal, jangla, jungal, and ...
Serpentine from Poland. Serpentine subgroup (part of the kaolinite -serpentine group in the category of phyllosilicates) [1] are greenish, brownish, or spotted minerals commonly found in serpentinite. They are used as a source of magnesium and asbestos, and as decorative stone. [5]
El Yunque National Forest is located on the slopes of the Sierra de Luquillo mountains, encompassing more than 28,000 acres (43.753 mi 2 or 113.32 km 2) of land, making it the largest block of public land in Puerto Rico. The forest contains and is named after named Pico El Yunque, the second highest mountain in the Sierra de Luquillo.
Bushveld. The Bushveld (from Afrikaans: bosveld, Afrikaans: bos 'bush' and Afrikaans: veld) is a sub-tropical woodland ecoregion of Southern Africa. The ecoregion straddles the Tropic of Capricorn and constitutes the southern part of the Zambezian region. It encompasses most of Limpopo and a small part of North West in South Africa, the Central ...
Basalt (UK: / ˈbæsɔːlt, - əlt /; [1] US: / bəˈsɔːlt, ˈbeɪsɔːlt /) [2] is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low- viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon. More than 90% of all volcanic rock on Earth is basalt.