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2. Obsidian - Wikipedia

   en.wikipedia.org/wiki/Obsidian

   It is an igneous rock. [6] Obsidian is produced from felsic lava, rich in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium. It is commonly found within the margins of rhyolitic lava flows known as obsidian flows. These flows have a high content of silica, granting them a high viscosity.

3. Kendrick Bangs Kellogg - Wikipedia

   en.wikipedia.org/wiki/Kendrick_Bangs_Kellogg

   Kendrick Bangs Kellogg (1934 – February 16, 2024) was an American architect. An innovator of organic architecture, Kellogg built a wide assortment of distinctive buildings. Homes include the Lotus House, Wingsweep, the High Desert house, and the Onion House. Public buildings include the Hoshino Wedding Chapel in Japan and Charthouse restaurants.

4. Basalt - Wikipedia

   en.wikipedia.org/wiki/Basalt

   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.

5. Mount Vesuvius - Wikipedia

   en.wikipedia.org/wiki/Mount_Vesuvius

   Climbing. Easiest route. Walk. Mount Vesuvius (/ vɪˈsuːviəs / viss-OO-vee-əs) [ a ] is a somma – stratovolcano located on the Gulf of Naples in Campania, Italy, about 9 km (5.6 mi) east of Naples and a short distance from the shore. It is one of several volcanoes forming the Campanian volcanic arc.

6. Andesite - Wikipedia

   en.wikipedia.org/wiki/Andesite

   Andesite is an aphanitic (fine-grained) to porphyritic (coarse-grained) igneous rock that is intermediate in its content of silica and low in alkali metals. It has less than 20% quartz and 10% feldspathoid by volume, with at least 65% of the feldspar in the rock consisting of plagioclase. This places andesite in the basalt /andesite field of ...

7. Goodwillie–Allen House - Wikipedia

   en.wikipedia.org/wiki/Goodwillie–Allen_House

   edit. The Goodwillie–Allen House is a one-and-one-half-story American craftsman style bungalow. It was built in 1904 at a cost of $1,800. It was constructed with locally produced lumber and native stone. The main part of the house is 28 feet (8.5 m) wide and 54 feet (16 m) long with an extension on the east façade.