Hallasan Hallasan Hallasan is a shield volcano on Jeju Island of South Korea. It is the highest mountain in South Korea. The area around the mountain is a designated national park, the Hallasan National Park ("Hallasan Gungnip Gongwon"/한라산국립공원/). Hallasan is commonly considered to be one of the three main mountains of South Korea, along with Jirisan and Seoraksan. Hallasan is the highest mountain in South Korea and is worshipped by people because they think that gods and spirits live on it. Alternate English names for the mountain include Hanla Mountain or Mount Halla and older English sources refer to the peak
Neenach Volcano Neenach Volcano Neenach Volcano is an extinct Miocene volcano in the Coastal Ranges of California. After formation, the volcanic field was split by a fault in the San Andreas Fault Zone, and over the last 23 million years, the two halves of the volcano have moved about 195 miles (314 kilometers) apart. The correlation of the two portions, now called the Pinnacles and Neenach volcanic formations, is significant; this correlation has become a “classic example” of plate tectonics for the scientific community. Ten rock types with nearly identical field, petrographic, and chemical characteristics are present in each formation in essentially