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labradorite-porphyry

feldspar — /feld spahr , fel /, n. any of a group of minerals, principally aluminosilicates of potassium, sodium, and calcium, characterized by two cleavages at nearly right angles: one of the most important constituents of igneous rocks. Also, felspar.… … Universalium
Trachyte — is an igneous, volcanic rock with an aphanitic to porphyritic texture. The mineral assemblage consists of essential alkali feldspar; relatively minor plagioclase and quartz or a feldspathoid such as nepheline may also be present. (See the QAPF… … Wikipedia
Tomb of the Unknown Soldier (Moscow) — Tomb of the Unknown Soldier, Moscow The Tomb of the Unknown Soldier (Могила Неизвестного Солдата in Russian, or Mogila Neizvestnova Soldata) is a war memorial, dedicated to the Soviet soldiers killed during World War II. It is located at the… … Wikipedia
Geology of Jersey — The geology of Jersey is characterised by the Late Proterozoic Brioverian volcanics, the Cadomian Orogeny, and only small signs of later deposits from the Cambrian and Quaternary periods. The kind of rocks go from conglomerate to shale, volcanic … Wikipedia
Lenin's Mausoleum — Lenin s Tomb redirects here. For the book by David Remnick, see Lenin s Tomb: The Last Days of the Soviet Empire. For the British political weblog, see Richard Seymour (writer). Lenin s Mausoleum (Russian: Мавзолей Ленина; Mavzoléy Lénina) also… … Wikipedia