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Needle Hill Mine, Needle Hill (Cham Shan), Sha Tin District, New Territories, Hong Kong, China

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Latitude & Longitude (WGS84): 22° 22' 59'' North , 114° 8' 59'' East
Latitude & Longitude (decimal): 22.38333,114.15000
GeoHash:G#: wecpmdc2r
Locality type:Mine
Köppen climate type:Cwa : Monsoon-influenced humid subtropical climate

Abandoned tungsten mine with extensive intact underground workings, although portions had to be filled in when the nearby Shing Mun reservoir road tunnels were excavated. Mineralization occurs in quartz veins, and elluvially. Peak production was achieved during the Korean war, when the price of tungsten was high. (Needle Hill, at 532 meters elevation, is the 33rd highest mountain in Hong Kong.)

(During the Korean war, about 5,000 people worked veins and placers for tungsten at several sites in the New Territories, of which Needle Hill was the most important. Many of the other sites were worked in primitive unregulated fashion, causing extensive stream pollution and hillside erosion, which led the Hong Kong government to start regulating mining.)

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Mineral List

6 valid minerals.

Detailed Mineral List:

Description: Black micaceous mineral associated with molybdenite and milky quartz. Translucent brown in thin flakes. No expansion or color change on strong heating in pyrex tube in gas flame. Probably = phlogopite.
Reference: Alfredo Petrov collection
Formula: CaF2
Reference: Chan Lung Sang (editor) (2013): "Mineral Bits and Pieces: Hong Kong Mining History" (Department of Earth Sciences, The University of Hong Kong).
Formula: PbS
Reference: Chan Lung Sang (editor) (2013): "Mineral Bits and Pieces: Hong Kong Mining History" (Department of Earth Sciences, The University of Hong Kong).
Formula: MoS2
Reference: Chan Lung Sang (editor) (2013): "Mineral Bits and Pieces: Hong Kong Mining History" (Department of Earth Sciences, The University of Hong Kong).
Formula: FeS2
Reference: Chan Lung Sang (editor) (2013): "Mineral Bits and Pieces: Hong Kong Mining History" (Department of Earth Sciences, The University of Hong Kong).
Formula: SiO2
Reference: Roberts & Strange, 1991.
Formula: ZnS
Reference: Chan Lung Sang (editor) (2013): "Mineral Bits and Pieces: Hong Kong Mining History" (Department of Earth Sciences, The University of Hong Kong).
Formula: W
Formula: (Fe2+)WO4 to (Mn2+)WO4
Reference: Roberts & Strange, 1991.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 3 - Halides
Group 4 - Oxides and Hydroxides
Unclassified Minerals, Rocks, etc.
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
AmBnXp, with (m+n):p = 1:2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Unclassified Minerals, Rocks, etc.
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

O QuartzSiO2
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
F FluoriteCaF2
Si QuartzSiO2
S GalenaPbS
S MolybdeniteMoS2
S PyriteFeS2
S SphaleriteZnS
Ca FluoriteCaF2
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
Fe PyriteFeS2
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
Zn SphaleriteZnS
Mo MolybdeniteMoS2
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
Pb GalenaPbS

Regional Geology

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

201.3 - 251.902 Ma

ID: 3185812
Mesozoic sedimentary rocks

Age: Triassic (201.3 - 251.902 Ma)

Lithology: Sedimentary 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. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Roberts, K.J. and Strange, P.J. (1991) The geology and exploitation of the Needle Hill wolframite deposit. Geological Society of Hong Kong Newsletter, 9, #3, 29-40.

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