Donate now to keep mindat.org alive!Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
What is a mineral?The most common minerals on earthMineral PhotographyThe Elements and their MineralsGeological TimeMineral Evolution
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Aggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex Co., Massachusetts, USA

This page is currently not sponsored. Click here to sponsor this page.
 
Latitude & Longitude (WGS84): 42° 14' 3'' North , 71° 28' 37'' West
Latitude & Longitude (decimal): 42.23417,-71.47694
Köppen climate type:Dfa : Hot-summer humid continental climate


A crushed stone quarry on Zachary Hill, opened in 1948 by Bayer and Mingolla Industries. Rocks in the quarry are primarily amphibolite, hornblende schist and quartz-biotite schist. (Cahoon, 1985)


Mineral List


36 valid minerals.

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

Neoproterozoic
541 - 1000 Ma



ID: 2853150
Blackstone Group, Undivided

Age: Neoproterozoic (541 - 1000 Ma)

Stratigraphic Name: Blackstone Group

Description: Quartzite, schist, phyllite, marble, and metavolcanic rocks.

Comments: Part of Milford-Dedham Zone (Tertiary and Older Rocks)

Lithology: Major:{quartzite,schist,phyllite}, Minor:{marble,metavolcanic}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

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



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.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Biggart, Norman (1974). Ashland B & M Quarry. Souvenir Guide to New England Mineral Collecting (Annual Greater Boston Gem and Mineral Show program, pp. 41-43).
Cahoon, James C. (1985). Massachusetts: A Classic Swiss Alpine Cleft Mineral Region (Boston Mineralogical Symposium program book, May 1985)
Médard, Etienne; Cristofono, Peter; and Henderson, William A. (2007) Kamphaugite-(Y) from Ashland, MA (Micromounters of New England Newsletter 284:2-5)

External Links

http://rruff.info/uploads/MMNE284_2.pdf - "Kamphaugite-(Y) from Ashland, MA"

http://rruff.info/Kamphaugite-(Y) - Kamphaugite-(Y) R080085

Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: January 16, 2018 13:45:19 Page generated: January 14, 2018 10:00:13
Go to top of page