State by State
New Hampshire
- Specimen Number
27
- Description
Blocky fragment of milky vein quartz.
- Classification
Hydrothermal. Vein. Quartz. Milky.
- Location & Occurrence
Identified as vein in granite by New Hampshire survey, remarking that saying anything more would be inconclusive.
- Geological Age
Unknown. Lack of deformation and overall uniformity suggests White Mountain Magma Series, mainly of Cretaceous Age, 180-120 Ma.
- Geoheritage
Buoyant, thick granite from Cretaceous magmatism created the White Mountains, the highest peaks in New England.
- Links
Link to State Geological Map from USGS. Link to New Hampshire Department of Environmental Services (Geology).
- Other
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