Show Us Geology On Stamps. Geologic Formations, Etc

Thailand 2007 Pa Hin Ngam National Park
Chaiyaphum region on the edge of Khorat Plateau is known for many spectacular landforms such as cliffs, pillar or pedestal rocks, and cascades. Wind and water erosion of Jurassic-Cretaceous sandstone formation produced the oddly shaped outcrops in the Pa Hin Ngam National Park.

Thailand 2004 Unseen Thailand
Lalu is a natural canyon located in Sa kaeo Province. It features landscapes created by wind and water erosion of oxidized laterite formation.

Vietnam 1984 Landscapes of Ha Long Bay
Ha Long Bay is located near the city of Haiphong in northern Vietnam. Karstification of a thick Carboniferous limestone formation, together with sinking coastline, resulted in thousands of islets in various shapes and sizes scattering across the bay area.

Republic of Korea 2006 Mountains
Ulsanbawi is a rocky ridge in the Seoraksan National Park on the east-central Korean Peninsula. It is made up of Jurassic granitoid and tops out at 873 meters above sea level.

Republic of Korea 2019 Natural Tourist Sites
Chaeseokgang Beach is located on the Byeonsan Peninsula along the coast of Yellow Sea. Erosion of the Cretaceous sedimentary rock formations created wave-cut platform and sea cliffs.

Japan 1955 Rikuchu Kaigan National Park
Jodogahama is a group of rock outcrops along the sandy coast of Miyako Bay. They are the erosional remnants of a Paleogene volcanic rock formation.

Kitayamazaki is an 8 kilometer long stretch of coastline in northern Iwate Prefecture. It features sheer, 150-200 meter high cliffs made of Early Cretaceous volcanic rocks.

Japan 1965 Joshin'etsu-kogen National Park
Kiyotsu Gorge is located on the Kiyotsu River in Niigata Prefecture. The 12.5 km long canyon features V-shaped valley flanked by towering Pliocene porphyrite cliffs with columnar joints.

Japan 1965 Shiretoko National Park
Mount Iwo is an active andesitic volcano on the Shiretoko Peninsula of Hokkaido. It is flanked by thick volcanic rock formations which form massive sea cliffs dotted with waterfalls and wave-cut caves.

Republic of China 1967 Landscapes
Yehliu Cape is located on the northern coast of the island of Taiwan. The tilted and eroded Miocene sandstone formation stretches 1.7 km into the ocean.

Republic of China 1987 Kenting National Park
Cape Maobitou on the southern coast of Hengchun Peninsula comprises uplifted Holocene fringing reefs. Erosion by ocean waves created geological features such as slumps, moulin potholes, reef pinnacles, and interlayer caves.

Republic of China 1989 Taroko National Park
Taroko Gorge is a 19 km long canyon located near the central-eastern coast of Taiwan. Erosion by the powerful Liwu River against the constantly uplifting strata results in near-vertical walls of Permian marble, phyllite and gneiss formations.

Philippines 2008 Postal Service Anniversary
Chocolate Hills are a geological formation in the Bohol province of the Philippines. They are kegelkarst hills which comprise fossiliferous limestone of marine origin.

Malaysia 2009 World Heritage Sites
Mount Kinabalu (4095m above sea level) is the highest peak of the Crocker Range in Borneo. It is a Pliocene granodiorite intrusion into the Eocene and Miocene strata. Its craggy summit was created by Pleistocene glaciation.

Indonesia 2017 Wonderful Indonesia
Mandalika is located on the south-central coast of Lombok. One of its attractions, Batu Payung, features coastline of volcanic rocks and an eroded limestone monolith.

Indonesia 2019 Views of West Java
Batu Kodok (Frog Rock) lies on the coast of Ciletuh Bay. It is part of an Eocene sedimentary rock formation that has been subjected to wave and wind erosion.

Indonesia 2021 UNESCO Global Geopark
Sewu Mountains stretch along the southern coast of Central to Eastern Java. They are in a kegelkarst region with numerous cone- or hemispherical-shaped hills, remnants of fractured limestone formation.

Papua New Guinea 2002 International Year of Mountains
Mt Wilhelm (4509m above sea level) is the highest peak of the Bismarck Range. It is an eroded Neogene diorite intrusion at the edge of Paleozoic basement.