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Interstate 290/Interstate 495 interchange road cuts, Marlborough, Middlesex Co., Massachusetts, USA
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Latitude: 42°21'47"N
Longitude: 71°35'26"W
 
 
Large road cuts at and near the junction of Interstate 290 and Interstate 495. There were three phases of construction: 1970, 1973 and 1980.

Mindat Articles

Description of Minerals at the Interstate 290 and 495 intersection, Marlborough by steven garza


Mineral List

Actinolite
Albite
'Allanite'
Almandine
Anhydrite
Autunite
'Axinite Group'
Calcite
'Chabazite
var: Phacolite'

Chabazite-Ca
Chabazite-K
Copper
Dolomite
var: Ferroan Dolomite
Euxenite-(Y) ?
Fluorapatite
Goethite
Gypsum
Hematite
Ilmenite
Magnetite
Marcasite
Meionite
Molybdenite
Monazite-(Ce)
Natrolite
Prehnite
'Pumpellyite'
Pyrite
Quartz
Quartz
var: Smoky Quartz

Rutile
'Scapolite'
Schorl
Siderite ?
Spessartine
Titanite
Tremolite
'Uvite'
Xenotime-(Y)


40 entries listed. 32 valid minerals.

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

Garza, Steve (1980): Routes 495 and 290, Marlborough, Massachusetts (Boston Mineral Club Newsletter Dec., 1980).

White, Lawrence W. (1997): Mineralization of Route 290 Road Cut (Rocks & Minerals,, May 1997)

Lawrence White personal collection.

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