Obsidian

Specimen Summary

common in young volcanic flows; obsidian is volcanic glass rich in silica; will recrystallize over a few million years to opaque dense rhyolite or felsite; alters readily in presence of hot water as in hydrothermal system; concoidal, glass-like break is typical

Specimen Data

 

The information listed below relates to the current holding location or collection that the sample is from, and whether the item is viewable at that location or is part of a private collection. Coordinates are given as guides, and we remind you that collecting specimens from these locations is not allowed. Caution is advised visiting such sites and Below BC assumes no responsibility for any injuries or trespassing charges that may occur as a result of the viewer entering these sites.

Collection Details

Original Collection:

Dan Ethier (DE)

Sub Collection:

-

Collection ID:

DE-05

Virtual Museum ID:

19-DE05

Accessibility:

Date Added to VM:

2019-08-18

Location Information

Sample Origin:

Kitimat-Stikine D,, B.C.

Specific Site:

Mt. Edziza

UTM Easting:

413212

UTM Northing:

6390317

Datum:

09 (NAD 83)

Coordinate Accuracy:

Approximate

Specimen Details

VM Category:

Rock

Primary Features:

Obsidian

Primary Mineral Formula:

SiO2, MgO, Fe3O4

Primary Category:

silicate

Secondary Features:

Advanced Geological Information

 

The following section provides geological data relating to the specimen or the site it was collected from, when available. Information has been obtained from various sources including private and government datasets but may not be up to date. Any geological time periods or ages listed often relate to the primary geology of the area, and may not be the actual date of an event such as mineral formation.

Geological Formation:

N/A

Geological Period:

N/A

Stratigraphic Age:

N/A

Geological Belt:

N/A

Geological Terrane:

N/A

Minfile ID:

N/A

Minfile Link:

N/A

Site Details:

N/A

Additional Images