Shiromaru mine (Hakumaru mine), Okutama-cho, Nishi-Tama-gun, Tokyo Metropolis, Kanto Region, Honshu Island, Japan
|Latitude & Longitude (WGS84):||35° 48' 37'' North , 139° 7' 25'' East|
|Latitude & Longitude (decimal):||35.8102823015, 139.123497963|
|Other regions containing this locality:||Asia|
Low-grade manganese ore in metamorphosed sediments. Outcrops are now under the waters of a reservoir. ("Hakumaru" is a misnomer for this locality.)
36 valid minerals. 2 (TL) - type locality of valid minerals.
Rock Types RecordedEntries shown in red are rocks recorded for this region.
This 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 data will improve over time as more accurate maps and data sets are added.
|Permian - Carboniferous252.17 - 358.9 Ma||Carboniferous-Permian sedimentary rocks|
References for regional geology:
Data provided by Macrostrat.org
Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d.