Blasting
notices

Date : June 7, 2023 11:00
Length : 1692 MS

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UNDERGROUND BLASTING AT THE ODYSSEY MINE

Click here for more details

 

Cancellation

Canadian Malartic Mine’s blasting may be cancelled due to unfavourable winds or community activities, such as religious ceremonies.

 

Environmental Standards

We are authorized to perform two blasts per day, 365 days a year, between 11 a.m. and noon, and between 3 p.m. and 4 p.m. The permitted blast length is 15 seconds. Standards are 12.7 mm/second for vibrations and 128 dB for noise.

 

Blasting results

Filter results :
Date Reference Expected duration Real duration Seismograph Wind Direction Vibration Decibels
2023-06-06 11:00 20230606 AM 14908 MS 14908 MS
Jacques-Cartier N 2.57 mm/s 108 dBL
Musée N 2.25 mm/s 105.5 dBL
Renaud N SSD SSD
Des Saules N SSD SSD
Abitibi N 2.43 mm/s 101 dBL
Royale N 2.01 mm/s 116.4 dBL
Lasalle N SSD SSD
2023-06-05 11:00 20230605 AM 14916 MS 14916 MS
Jacques-Cartier N 2.62 mm/s 113.8 dBL
Musée N 3.56 mm/s 106.5 dBL
Renaud N 1.23 mm/s 103.5 dBL
Des Saules N SSD SSD
Abitibi N 1.88 mm/s 109.9 dBL
Royale N 2.64 mm/s 115 dBL
Lasalle N 1.73 mm/s 109.5 dBL
2023-06-04 15:00 (Canceled) 20230604 PM 4716 MS
2023-06-02 15:00 20230602 PM 3120 MS 3120 MS
Jacques-Cartier Nord 1.73 mm/s 108.8 dBL
Musée Nord 1.71 mm/s 104.2 dBL
Renaud Nord SSD SSD
Des Saules Nord SSD SSD
Abitibi Nord 1.18 mm/s 101.9 dBL
Royale Nord 2.39 mm/s 113.5 dBL
Lasalle Nord 1.35 mm/s 104.2 dBL
2023-06-01 11:00 20230601 AM 14988 MS 14988 MS
Jacques-Cartier Nord-Ouest 3.22 mm/s 109.5 dBL
Musée Nord-Ouest 2.00 mm/s 106.5 dBL
Renaud Nord-Ouest SSD SSD
Des Saules Nord-Ouest SSD SSD
Abitibi Nord-Ouest 1.79 mm/s 105.5 dBL
Royale Nord-Ouest 3.36 mm/s 114.8 dBL
Lasalle Nord-Ouest 1.98 mm/s 106.0 dBL
2023-06-01 15:00 20230601 PM 2640 MS 2640 MS
Jacques-Cartier Nord-Ouest SSD SSD
Musée Nord-Ouest SSD SSD
Renaud Nord-Ouest SSD SSD
Des Saules Nord-Ouest SSD SSD
Abitibi Nord-Ouest SSD SSD
Royale Nord-Ouest SSD SSD
Lasalle Nord-Ouest SSD SSD

Glossary

Date : Blast date and time.

Reference : Blast identification.

Length : Blast length or the period between the detonation of the first shot and the detonation of the last shot in a sequence.

Seismograph : Measuring instrument equipped with a geophone and a microphone. The geophone detects ground motion and vibrations passing through the earth’s crust. The microphone detects air pressure variations.

Wind Direction : Indicates wind direction.

Vibration : Indicates ground motion.

Decibels (dB) : Indicates air pressure variations.

Below Detection Limit (BDL) : Indicates seismograph has not been triggered. Seismograph is not triggered when ground vibrations are below 1 mm/s.

Not available (NA) : Indicates value is unavailable.

ms : Length is measured in milliseconds (1,000 ms = 1 second).