Top Navigation

Waste

MINERAL WASTE

Mineral waste generated by Paladin’s mining and processing operations includes waste rock and tailings. Waste rock is the overburden material that must be removed to allow access to the ore. Tailings are generated from the processing of ore and comprise mineral residue, process water and reagents. All mineral waste remains on site and requires management to reduce its potential environmental impacts.

At both LHM and KM waste rock is removed to access the ore and then placed in waste rock dumps. The correct placement of waste rock is important in terms of cost and environmental considerations. A key consideration for the waste rock dumps is to establish a final stable landform that blends in with the surrounding landscape and is capable of supporting a self-sustaining ecosystem. Studies haveb een conducted to determine the best location for the waste rock dumps, taking haulage costs and environmental aspects into consideration .

 

The design of the dumps and the placement of waste rock also consider other factors such as the physical and geochemical properties of the waste rock and any low grade ore that may also be stockpiled. Geochemical studies have been undertaken on the waste rock and mineralised waste at both LHM and KM, with the findings being considered in the dump design and operating procedures for waste rock management. Risks associated with the waste rock dumps have been identified and are included in the site-wide risk assessments. Waste rock management is included in the Life of Mine Plan and also in the Waste Rock Management Plan included in the Environmental Management Plans.

The area of disturbance of the waste rock dumps at LHM is approximately 347 ha, an increase of 135 hectares from the previous reporting period due to the construction of a new Waste Rock Dump. The area of the waste rock dumps at KM remain at approximately 68 ha.

Tailings management continues to be a high priority at Paladin’s operational sites. Paladin applies measures to ensure that its TSFs are appropriately designed, operated and managed according to internationally acceptable standards. Specialist engineers have designed the TSFs at both LHM and KM. The specialists also define the operational practice and management to ensure that tailings are appropriately managed and any potential environmental impacts are minimised. On a regular basis, independent experts conduct peer reviews of the design, construction and operations of the TSFs at both sites. Risks associated with the TSFs have been identified and included in the LHM and KM risk assessments. Tailings and TSF management is documented in Management Plans and within specific TSF Operating Guidelines for each site.

At LHM, tailings were deposited in TSF3 during the reporting period The TSF3 area remained the same for the reporting period.at approximately 126 hectares. The footprint for the TSF at KM remained at 49 ha for the reporting period.

The total volume of waste rock and tailings produced during this reporting period and the previous period, and the area the facilities cover at the sites are shown in Table 11

Table 11. Waste Rock and Tailings

Mineral Waste Type

LHM

KM

2015/2016

2014/2015

2015/2016

2014/2015

Waste Rock Moved (t)

19,851,249

16,087,587

0

0

Fine Material to Waste Rock Dump

2,004

1,270

N/A

N/A

Waste Rock Dump Area total (ha)

328

347

68

 68

Tailings - dry (solid) (t)

2,147,254

2,149,370

0

1,796[19]

Fine Material to TSF

1,426,600

1,263,577

N/A

N/A

TSF Area total (ha)

126

126

49

49

 

SIGNIFICANT SPILLS AND ENVIRONMENTAL INCIDENTS

Paladin aims to avoid and minimise environmental incidents and impacts related to their operations. In doing so, all incidents are recorded and full investigations are undertaken, where required, as to the cause. Actions are then taken to minimise a repeat of incidents.

To enable consistency across Paladin’s business in terms of environmental incident classification and reporting, a standardised Incident Reporting Procedure is in place for all of Paladin’s operations. In the Procedure, incidents are divided into those that are externally and internally reportable. Externally reportable incidents are those reportable under Acts, Regulations or Licences, while internally reportable incidents are those within the categories reportable to Paladin’s management. Table 12 outlines how Paladin classifies environmental incidents according to their impact

Table 12. Paladin Environmental Incident Classification

Category

Impact

0

No Impact

1

Insignificant

2

Minor

3

Moderate

4

Major

5

Catastrophic

 

During the reporting period there was one significant[20] incident recorded at LHM.

Two incidents occurred at KM during the reporting period that were considered significant as they were reported to the authorities.


[19] Solid component in the 144,774 t of water from the treatment plant directed to the TSF.
[20] Any incidents of Category 3 (moderate) and above, and those reported to the Authorities, are considered significant by Paladin and are included in this Report.

Latest prices

ASX A$ 0.105
TSX C$ 0.110

Latest Prices

TradeTech U3O8 spot US$23.25/lb
TradeTech U3O8 long term US$35.00/lb

Contact Paladin

Subscribe

SIGN UP TO OUR NEWSLETTER

First Name
First Name
Email Address