Trachyte quarry, Ponzano, Bagnoregio, Viterbo Province, Latium, Italy
|Latitude & Longitude (WGS84):||42° 37' 8'' North , 12° 4' 40'' East|
|Latitude & Longitude (decimal):||42.61889,12.07778|
|Köppen climate type:||Cfa : Humid subtropical climate|
"Basaltina" quarry. "Basaltina" is the name of a leucite-bearing trachytic lava erupted between 390 and 360 Ka from a fissure having a direction N-S and located between Bagnoregio and the rim of Bolsena caldera. This lava is highly vesicular and the vesicules contain some some minerals.
1 valid mineral.
Rock Types Recorded
Select Rock List TypeAlphabetical List Tree Diagram
Entries shown in red are rocks recorded for this region.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
0 - 2.588 Ma
Age: Pleistocene (0 - 2.588 Ma)
Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. 
0 - 66 Ma
|Cenozoic volcanic rocks|
Age: Cenozoic (0 - 66 Ma)
Lithology: Volcanic rocks
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529.