An incorporated township. The Cole Farm Prospect, an iron mine with magnetite ore is located 3 miles North of Boonton and is an area formerly in Pequannock Township, but the locality is now part of Montville Township (q.v.).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

ⓘ Magnetite

1 valid mineral.

Detailed Mineral List:

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Locality: Jackson Mine (Axtell Mine; Pompton Mine), Pequannock Township, Morris County, New Jersey, USA

References:

The Iron Mines of NJ (1910), Bayley:495-496.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄

List of minerals for each chemical element

O	Oxygen
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	Iron
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Pequannock_Township,_New_Jersey
Wikidata ID:	Q748243
GeoNames ID:	5102557

Localities in this Region

USA

New Jersey
- Morris County
  - Pequannock Township
    - Jackson Mine (Axtell Mine; Pompton Mine)
    - Powerville

Other Regions, Features and Areas that Intersect

North AmericaContinent

North America PlateTectonic Plate

Laurentides DomainPassive Margin

USA

New Jersey
- New Jersey HighlandsComplex

This page 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.

Quick NavTop Mineral List Fossils Other Databases Localities in Region Other Regions

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 3, 2026 13:34:21 Page updated: November 30, 2025 03:47:52

Go to top of page

Pequannock Township, Morris County, New Jersey, USAiRegional Level TypesPequannock TownshipTownship Morris CountyCounty New JerseyState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }