scoria
81Tachylite — (also spelled tachylyte) is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. It is a basic type of igneous rock that is decomposable by acids and readily fusible. The color is a… …
82Otara — A part of the Otara town centre. Location of Otara in Auckland …
83Antofagasta de la Sierra — Infobox Mountain Name=Antofagasta de la Sierra Photo=| Caption= Elevation= convert|4000|m|ft| 1 (uncertain) Location=Argentina Range = Andes Prominence = Coordinates = coord|26.08|S|67.50|W|type:mountain region:AR|format=dms Topographic… …
84Chikurachki — Eruption of Chikurachki, 22 April 2003 Elevation 1,816 m (5,958 ft) …
85Vulcanian eruption — Vulcanian eruptions usually commence with phreatomagmatic eruptions which can be extremely noisy due the rising magma heating water in the ground. This is usually followed by the explosive throat clearing of the vent and the eruption column is… …
86Albert Park, Auckland — Albert Park is a scenic park in central Auckland, bounded by Wellesley Street East, Princes Street, Bowen Avenue and Kitchener Street. From the entrance at the corner of Bowen Ave and Kitchener St, sealed footpaths climb steeply through native… …
87Beveridge, Victoria — Beveridge Victoria Hunters Tryste Inn, 1845 …
88Southern San Luis Valley Railroad — The Southern San Luis Valley Railroad Co. operated freight service on an irregular basis from a connection with the Denver Rio Grande Western (DRGW) at Blanca, Colorado to the scoria processing plant at McClintock, Colorado (… …
89Browns Island, Auckland — Browns Island Motukorea (Māori) Browns Island at the centre right of this aerial photo. Geography Location …
90Mount Napier — Coordinates: 37°53′38″S …
