Endeavour Silver Produces 1,875,375 Oz Silver and 11,740 Oz Gold, for a total of 3.3 Million Silver Equivalent Oz in Q1 2026
Original announcement by tmx on
- Company
- Endeavour Silver Corp.
- Ticker
- EDR
- Exchange
- TSX
- Region
- Unavailable
- Primary commodity
- Silver
- Secondary commodities
- Gold, Lead, Zinc, Copper
- Document categories
- Production, Metallurgy
- Extracted
- 2026-09-19 19:43:20 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Endeavour Silver reported strong Q1 2026 production, with consolidated silver output increasing 56% to 1,875,375 ounces and gold production rising 41% to 11,740 ounces year-over-year. This growth was primarily driven by contributions from the Terronera and Kolpa mines, despite some operational challenges at Guanacevi and Kolpa due to lower grades, throughput issues, and adverse weather. The company also commissioned new crushers and a ball mill at Kolpa, aiming to increase throughput to 2,500 tonnes per day in upcoming quarters.
Reasoning: The document reports strong Q1 2026 production results for Endeavour Silver, with significant increases in silver and gold output compared to Q1 2025, primarily due to contributions from Terronera and Kolpa. While some operational challenges and market conditions were noted, the overall production growth and operational improvements at key mines are positive signals for the company's performance.
Positive factors
- Significant increase in consolidated silver and gold production year-over-year, driven by new operations at Terronera and Kolpa.
- Strong silver equivalent production, indicating successful polymetallic operations.
- Improved grades and recoveries at Terronera, with processes being refined.
- Kolpa plant expansion commissioned, set to increase throughput in upcoming quarters.
Negative factors
- Silver production at Guanacevi was below plan due to lower grades and throughput.
- Kolpa's ramp-up was delayed by adverse weather and power outages, impacting throughput and metal production.
- Management decided to hold bullion inventory temporarily due to downward pressure on silver and gold prices.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 30
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Terronera's silver recovery averaged 84.0%, which is strong for a heap leach operation, and Guanacevi's silver recovery was 90.7%, which is strong for a mill route.
Evidence · text
“Terronera recoveries averaged 84.0% for silver and 72.7% for gold”
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Kolpa's lead recovery was 94.3% and zinc recovery was 84.0%, both strong for a mill route.
Evidence · table
“94.3%”
Context: Lead recovery %
Recovery Improvingpositive
Recovery improved versus a like-for-like prior test program on the same domain and route.
Why it applies: Terronera's plant management refined processes to improve recoveries, which gradually improved throughout the period and are expected to further improve.
Evidence · text
“During the first quarter, plant management refined processes to improve recoveries which gradually improved throughout the period. In March, recoveries were in line with plan and are expected to further improve with additional optimization.”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: the document describes a flotation route ("concentrate")
Extracted facts
Stored fact records: 10. Some facts used in scoring do not have a stored record.
Metallurgical Results (10)
Fact 1Terronera · silverRecovery: 84 %Head Grade: 113Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Terronera
- Commodity
- silver
- Ticker
- EDR
Test Work
- Processing Route
- unspecified
Recovery
- Recovery
- 84 %
- Recovery Basis
- actual_test
- Head Grade
- 113
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Terronera achieved a strong silver recovery, which is expected to improve further with optimization.
Positive factors
- Strong recovery for silver, with continued process refinement and expected further improvement.
Evidence · table
“84.0%”
Context: Silver recovery
Fact 2Terronera · goldRecovery: 72.7 %Head Grade: 2.07Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Terronera
- Commodity
- gold
- Ticker
- EDR
Test Work
- Processing Route
- unspecified
Recovery
- Recovery
- 72.7 %
- Recovery Basis
- actual_test
- Head Grade
- 2.07
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Terronera achieved a moderate gold recovery, with ongoing optimization efforts.
Positive factors
- Recoveries are improving and expected to further optimize.
Evidence · table
“72.7%”
Context: Gold recovery
Tags used in scoring
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 72.7% is below the weak band (80%)
Fact 3Guanacevi · silverRecovery: 90.7 %Head Grade: 285Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Guanacevi
- Commodity
- silver
- Ticker
- EDR
Test Work
- Processing Route
- unspecified
Recovery
- Recovery
- 90.7 %
- Recovery Basis
- actual_test
- Head Grade
- 285
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Guanacevi achieved an exceptional silver recovery, which is a positive for the operation.
Positive factors
- Exceptional silver recovery, indicating efficient processing.
Evidence · table
“90.7%”
Context: Silver recovery
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 90.7% is at or above the exceptional band (90%)
Fact 4Guanacevi · goldRecovery: 88.4 %Head Grade: 1.02Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Guanacevi
- Commodity
- gold
- Ticker
- EDR
Test Work
- Processing Route
- unspecified
Recovery
- Recovery
- 88.4 %
- Recovery Basis
- actual_test
- Head Grade
- 1.02
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Guanacevi achieved a strong gold recovery, which is a positive for the operation.
Positive factors
- Strong gold recovery, in line with plan.
Evidence · table
“88.4%”
Context: Gold recovery
Fact 5Bolanitos · silverRecovery: 86.2 %Head Grade: 47Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Bolanitos
- Commodity
- silver
- Ticker
- EDR
Test Work
- Processing Route
- unspecified
Recovery
- Recovery
- 86.2 %
- Recovery Basis
- actual_test
- Head Grade
- 47
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Bolanitos achieved a strong silver recovery during its limited operating period in Q1 2026.
Positive factors
- Strong silver recovery achieved during the short operating period.
Evidence · table
“86.2%”
Context: Silver recovery
Fact 6Bolanitos · goldRecovery: 86.5 %Head Grade: 1.27Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Bolanitos
- Commodity
- gold
- Ticker
- EDR
Test Work
- Processing Route
- unspecified
Recovery
- Recovery
- 86.5 %
- Recovery Basis
- actual_test
- Head Grade
- 1.27
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Bolanitos achieved a strong gold recovery during its limited operating period in Q1 2026.
Positive factors
- Strong gold recovery achieved during the short operating period.
Evidence · table
“86.5%”
Context: Gold recovery
Fact 7Kolpa · silverRecovery: 90.6 %Head Grade: 106Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Kolpa
- Commodity
- silver
- Ticker
- EDR
Test Work
- Processing Route
- unspecified
Recovery
- Recovery
- 90.6 %
- Recovery Basis
- actual_test
- Head Grade
- 106
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Kolpa achieved an exceptional silver recovery, which is a strong positive for the operation.
Positive factors
- Exceptional silver recovery, indicating efficient processing.
Evidence · table
“90.6%”
Context: Silver recovery %
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 90.6% is at or above the exceptional band (90%)
Fact 8Kolpa · leadRecovery: 94.3 %Head Grade: 3.05Head Grade Unit: %View all detailsHide details
Identity
- Project
- Kolpa
- Commodity
- lead
- Ticker
- EDR
Test Work
- Processing Route
- unspecified
Recovery
- Recovery
- 94.3 %
- Recovery Basis
- actual_test
- Head Grade
- 3.05
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Kolpa achieved an exceptional lead recovery, which is a strong positive for the operation.
Positive factors
- Exceptional lead recovery, indicating highly efficient processing.
Evidence · table
“94.3%”
Context: Lead recovery %
Fact 9Kolpa · zincRecovery: 84 %Head Grade: 1.97Head Grade Unit: %View all detailsHide details
Identity
- Project
- Kolpa
- Commodity
- zinc
- Ticker
- EDR
Test Work
- Processing Route
- unspecified
Recovery
- Recovery
- 84 %
- Recovery Basis
- actual_test
- Head Grade
- 1.97
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Kolpa achieved a strong zinc recovery, which is a positive for the operation.
Positive factors
- Strong zinc recovery, indicating efficient processing.
Evidence · table
“84.0%”
Context: Zinc recovery %
Fact 10Kolpa · copperRecovery: 19.6 %Head Grade: 0.2Head Grade Unit: %View all detailsHide details
Identity
- Project
- Kolpa
- Commodity
- copper
- Ticker
- EDR
Test Work
- Processing Route
- unspecified
Recovery
- Recovery
- 19.6 %
- Recovery Basis
- actual_test
- Head Grade
- 0.2
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Kolpa achieved a very low copper recovery, which is a negative for the operation's copper output.
Negative factors
- Very low copper recovery, indicating poor processing efficiency for copper.
Evidence · table
“19.6%”
Context: Copper recovery %
Tags used in scoring
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 19.6% is below the weak band (80%)
How Atlas produces this analysis
Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.