Mindat Logo

O'Neil Mine (Nail Mine), Lake Mombasha, Town of Monroe, Orange Co., New York, USA

Latitude: 41°17'N
Longitude: 74°11'W
An iron mine in magnetite ore located about 3 miles SE of Monroe and just North of Lake Mombasha. Closed 1880. Workings featured a pit 50 feet deep by 600 feet long (NE - SW) or up to 1,500 feet long by closing (NYS Museum Bull.).

Mineral List

Actinolite
Albite
var: Oligoclase
Antigorite
var: Jenkinsite
Aragonite
Augite
'Biotite'
Calcite
Chondrodite
Clinoenstatite
Diopside
Epidote
Fayalite
'Fayalite-Forsterite Series
var: Hortonolite'

'Garnet'
Glaucophane
Goethite
Hastingsite
Magnetite
Molybdenite
Pentlandite
Potassic-chloro-hastingsite
'Potassic-hastingsite'
Potassic-pargasite
Pyrrhotite
'Serpentine Group'
Spinel
Tremolite
Zircon


30 entries listed. 22 valid minerals. 1 erroneous literature entry.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

- The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 85
- New York State Museum Bull. Nos. 249-250 (Sep-Oct 1921), Magnetic Iron Deposits of SE NY, Clarke, John M.: Index Map, 45 & 109-110
- Geol. Survey of the State of New York, Geology of Orange Co., Roes, Heinrich (1895): 451-452
- Rocks & Min.: 20:468.

This page is currently not sponsored. To sponsor this page click here.


Mineral and/or Locality  
Search Google  
Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: December 18, 2014 22:27:47 Page generated: January 7, 2014 05:32:30
Mineral and Locality Search
Mineral:
and/or Locality:
Options
Fade toolbar when not in focusFix toolbar to bottom of page
Hide Social Media Links
Slideshow frame delay seconds