Showing items 46 - 50 of 53 for North Slave.

Kimberlite
 •

Kimberlite

Object 2008.007.001

Kimberlite

Kimberlite

A flat slab showing xenocrysts of large green olivine crystals, set in a fine-grained matrix of other minerals. This is an example of the rock where diamonds are found. Specimen is from the Snap Lake diamond mine operated by De Beers Canada Inc. from 2008 to 2015.

Object Details
Accession No.2008.007.001
Specimen NatureRock
Region
LocationSnap Lake Mine
Date50 millions years old
998.26.1a(1)
 • ,

Transit and case

Object 998.026.001 a-j

Transit and case

Transit and case

Small surveying transits like this were carried into the field to make precision observations and sightings. This E.R. Watts & Sons unit was used by John Anderson-Thomson, an engineer and land surveyor in the NWT for 38 years from 1944 to 1982.

Object Details
Accession No.998.026.001 a-j
MakerE.R. Watts & Son, London, England
Culture
Region
LocationYellowknife, Great Slave Lake
Datec. 1915