Blasting
notices
Date :
June 7, 2023 11:00
Length : 1692 MS
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Canadian Malartic Mine’s blasting may be cancelled due to unfavourable winds or community activities, such as religious ceremonies.
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.
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 |
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).