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):||35.81028,139.12350|
|Köppen climate type:||Cfa : Humid subtropical climate|
Low-grade manganese ore in metamorphosed sediments. Outcrops are now under the waters of a reservoir. ("Hakumaru" is a misnomer for this locality.)
38 valid minerals. 2 (TL) - type locality of valid minerals.
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
|Permian - Carboniferous|
252.17 - 358.9 Ma
|Carboniferous-Permian sedimentary rocks|