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2. Scoria - Wikipedia

   en.wikipedia.org/wiki/Scoria

   Scoria is a pyroclastic, highly vesicular, dark-colored volcanic rock formed by ejection from a volcano as a molten blob and cooled in the air to form discrete grains called clasts. [ 1 ] [ 2 ] It is typically dark in color (brown, black or purplish-red), and basaltic or andesitic in composition.

3. Trap rock - Wikipedia

   en.wikipedia.org/wiki/Trap_rock

   Vast areas of trap rock in the form of thick lava flows and other volcanic rocks comprise the Deccan Traps of India and Siberian Traps of Russia. [6] Other prominent basalt ridges, mountains, buttes, canyons, and other landscape features include: In North America: The ridges and cliffs of the Columbia River Gorge in Oregon and Washington.

4. Volcanic rock - Wikipedia

   en.wikipedia.org/wiki/Volcanic_rock

   The terms lava stone and lava rock are more used by marketers than geologists, who would likely say "volcanic rock" (because lava is a molten liquid and rock is solid). "Lava stone" may describe anything from a friable silicic pumice to solid mafic flow basalt, and is sometimes used to describe rocks that were never lava, but look as if they ...

5. 21 Creative Ways to Use Rocks in Your Landscaping - AOL

   www.aol.com/lifestyle/21-creative-ways-rocks...

   These designer rock and mulch landscaping ideas will elevate your lawn. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Mail ...

6. List of places with columnar jointed volcanics - Wikipedia

   en.wikipedia.org/wiki/List_of_places_with...

   Kavadia Pahad columnars: Forest area near Bagli & Pipari village of Dewas District in Madhya Pradesh. The rock formation is at Kavadia Pahad which is a series of seven mountain ranges. [5] Linga columnars: 11 kilometres (6.8 mi) south of Chhindwara city. Narsinghpur columnar joints in Deccan Basalts near Narsinghpur. Maharashtra

7. Coso Volcanic Field - Wikipedia

   en.wikipedia.org/wiki/Coso_Volcanic_Field

   Following a 1.5-million-year hiatus with few eruptions, a bimodal volcanic field of basalt lava flows and rhyolite lava domes and flows developed on Basin and Range terrain of essentially the same form as today's landscape. Many of the young basalt flows are inter-canyon, occupying parts of the present-day drainage system.