Terramin Australia Limited · ASX:TZN
Terramin Australia — Corporate Update (January 2017)
19 slides from Terramin Australia's corporate update, Jan 20, 2017
Slide 1: Terramin General Update
Terramin General Update Joe Ranford – General Manager Angas Zinc Mine 1
Slide 2: AZM: Closure Plan and PEPR Completion
AZM: Closure Plan and PEPR Completion 20th January 2017
Slide 3: Angas Zinc Mine
Angas Zinc Mine December rainfall 3x higher than average (77mm:25mm) Tailings Dam – No exceedance of Lease Conditions or Outcome Criteria Pump failure in November from SA power outage Secondary pump and evaporation system installed in November activated Increased rainfall resulted in water
Slide 4: Terramin - Projects
Terramin - Projects Bird in Hand Ongoing baseline studies and modelling Currently working through revised Project Risk Assessment now baseline reports almost complete New Source Pathway Receptor risk model from DSD Preliminary design work Draft of Mining Lease Proposal by end of March
Slide 5: Quarterly Environment Report
Quarterly Environment Report Katy Fechner – Environment and Community Officer Angas Zinc 5
Slide 6: Rainfall (mm/month)
Angas Zinc Mine Tailings Dam – No exceedance of Lease Conditions or Outcome Criteria Increased rainfall resulted in higher than 15000m2 surface area (approx. 16000m2) Secondary pump and evaporation system activated after rainfall events 29th January instance rectified within the compliance c
Slide 7: Secondary pump turned on
24th December 2016 13950m2 29th December 2016 67mm rainfall in 3 hours Approx. 16000m2 Secondary pump turned on 6th January <15000m2
Slide 8: Litres/minute
Litres/minute 0.00 5.00 10.00 15.00 20.00 25.00 05/09/08 24/10/08 12/12/08 30/01/09 20/03/09 06/05/09 26/06/09 14/08/09 09/10/09 2L/minute 27/11/09 08/01/10 26/02/10 16/04/10 04/06/10 23/07/10 10/09/10 29/10/10 17/12/10 04/02/11 25/03/11 67mm over 3 hours 27/05/11 becomes free water 15/0
Slide 9: Dust: Offsite Gauges high - Landuse
Dust: Offsite Gauges high - Landuse No mining activities onsite Elevated dust levels due to agricultural activities Govt. records: Light purple and Light Green = Cropping Late Spring/early Summer = Harvest/Reaping Lead readings = Naturally occurring – soil parameters = Govt. records of top
Slide 10: Special Interest: Surface Water Sampling
Special Interest: Surface Water Sampling EPA requirement Three samples are taken at both Hogben and Croser This reduced risk of bias, outliers and errors Testing for Basic Chemistry - pH, EC, TDS, Turbidity, SO4, Metals - As, Cd, Cu, Pb, Mn, Se, Zn, Fe HOGBEN Organics – Nitrates, Phosp
Slide 11: Landscape Function Analysis completed for 2016
Landscape Function Analysis completed for 2016 T2 T3 Care of Our Environment Pty Ltd T4 T5 Reviewed Terramin’s 2014-2015 LFA reports Monitoring Sites T1 Six 100m transects were established Five revegetation sites within the our land Angas Zinc Mine 2016 Landscape Function Analysis transect
Slide 12: Soil Health Assessment
Soil Health Assessment Target Control Site “WC1” comparison 70 Stability is similar amongst on-site (T1-T5) 60 (58-65%) and analogue site (WC1)(61%) 50 Nutrients at T1 (Western) and T4 (Eastern) are greater than WC1 40 Stability and nutrient cycling is most 30 different between WC1 and T5 (E
Slide 13: Upcoming Works for Q1 2017
Upcoming Works for Q1 2017 TSF Annual Surveillance Site Visit and Review – 2nd March Develop fact sheets on Closure Plan aspects under the guidance of SCCC feedback to report to community on closure plan aspects Summer weed control and fuel load management
Slide 14: Closure Plan Update
Closure Plan Update Katy Fechner – Environment and Community Officer Angas Zinc 14
Slide 15: Closure Plan
Closure Plan Submitted 20th January after internal management review Closure plan currently being reviewed by Government regulators and their consultants
Slide 16: Closure Plan includes
Closure Plan includes Legislative requirements from Mining Act, Regulations, Determinations and guidelines Failure Modes and Effects Analysis – additional risk assessment PEPR Guidelines and Lease Conditions (Outcomes) Tailings and Large Dam Guidelines General Mining Guidelines Internati
Slide 17: Leading Indicators for Erosion
Leading Indicators for Erosion Monitoring: LFA (rill and gully analysis) Photo and visual monitoring of topsoil Qualified expert (to DSD’s satisfaction) verifies: Boxcut has been constructed to design Decline cap and vent raise cap has been constructed to design TSF cover landforms has
Slide 18: Closure Criteria for Erosion
Closure Criteria for Erosion Monitoring Surface water at site water exit points for turbidity Qualified expert (to DSD’s satisfaction) analyses: All erosion leading indicators over the closure monitoring phase Qualified expert (to DSD’s satisfaction) analyses: All LFA data and reports ba
Slide 19: Questions?
Questions? 19