Ogre, Latvia Ogre, Latvia Ogre (; ; ) (population 26,573 in 2000 census) is the principal town of Ogre Municipality (and previously Ogre District) in Central Latvia, east of the capital Riga, situated at the confluence of the Daugava and Ogre rivers. It has been a town since 1928. Ogre is composed of three parts: Jaunogre (meaning "New Ogre"), Ogre (the center of the town), and Pārogre (meaning "Ogre across [the river]" though not all of the named region is across the river). The name of the town comes from the Ogre river. The Ogre village was first mentioned in 1206, called
Geology of Latvia Geology of Latvia The geology of Latvia includes an ancient Archean and Proterozoic crystalline basement overlain with Neoproterozoic volcanic rocks and numerous sedimentary rock sequences from the Paleozoic, some from the Mesozoic and many from the recent Quaternary past. Latvia is a country in the Baltic region of Northern Europe. Several hundred boreholes have returned data about the Precambrian crystalline basement of Latvia, indicating young Middle Proterozoic intrusive rocks such as 1.65 billion year old rapakivi granite or 1.82 billion year old granodiorite in the northeast. Most basement probably formed before the Svecofennian orogeny, between the Archean and Proterozoic. The