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Bellavista, Costa Rica

Glencairn's Cyanide Disaster

Glencairn Gold Corporation began operating at the Bellavista site near Miramar in Costa Rica in 2003 in spite of concerns by locals, warnings by scientists of the riskiness of the area for large-scale open-pit mining, and an impending ban on open-pit mining in the country. Canadian mining corporation Glencairn, now Central Sun Mining Inc1 headquartered in Toronto, established its gold mine in an unstable area with heavy rainfall and provided insufficient funds for mine closure and cleanup. The mine had a leach pad rupture and probably contaminated waterways with cyanide and other chemicals. EARTHWORKS, along with Sonia Torres of CEUS del Golfo and other partner organizations, has pressured the company to properly clean up the Bellavista site, but more work is needed to ensure that they complete the clean up, reclamation, and ecological restoration thoroughly.


Heap leach pad surface erosion at Bellavista in September 2007. Earth movements caused the leach pad liner to crack earlier in the year. Credit: CEUS de Golfo

Glencairn started exploration at the Bellavista open-pit mine site in Costa Rica in 2003. Since the mine site was set on a mountain slope prone to landslides in an area with heavy rainfall, scientists predicted that the mine, and residents living nearby, were vulnerable to catastrophic accidents and spills of cyanide and heavy metals. The site is also located in a tropical humid forest in a region of important biodiversity and is just uphill from what were once pristine streams and springs. The Bellavista site also had the potential to generate acid mine drainage, which would acidify streams and contaminate them with heavy metals. The community expressed its concerns with the project as well.

The company set up a mine using "cyanide heap leaching" at Bellavista. In this process, cyanide trickles through massive mounds of ore and removes the gold from the ore. Cyanide is an intensely toxic substance; a teaspoon of it can kill a human.2 If a leach pad liner leaks, the cyanide can escape and contaminate the groundwater and leak out to surface waters.

In May 2005, the testimony by AIDA (Interamerican Association for Environmental Defense) scientist Anna Cederstav led the Supreme Court to force Glencairn to conduct further studies and create additional protections for the area's ground and surface waters.3 Nonetheless, the company began mining gold that December even though a country-wide ban on open-pit mining entered into force in 2002. Glencairn had obtained its permits before the ban was legislated and so was "grandfathered" in. 4

Contamination proved to be a problem early on. At least as early as 2005, environmental groups reported water pollution from Bellavista exploration and mining.5 The early warnings about the problems with the Bellavista project were further vindicated in 2007. In July 2007, earth movements caused by geological instability or rainfall cracked the mine's leach pad liner, probably leaking cyanide and contaminating the groundwater near the community of Miramar. The Canadian company suspended its operations only after the accident, even though it said it had noticed earth movements in May. 6

EARTHWORKS and our partner organizations, including activist Sonia Torres and her organization CEUS del Golfo, sought to ensure that Glencairn would fully shut down and clean up the mine, which remained in unstable condition. In September 2007, we publicly called for Glencairn to disclose what had happened at the site and clean it up.7 Thousands of our members contacted Glencairn directly. Press coverage of the concerns caused Glencairn stocks to plummet 18% in one day.8

15022A landslide damaged buildings and equipment in October 2007, three months after Glencairn announced it would shut down the mine. Credit: CEUS de Golfo

Subsequently, Glencairn made moves to shut down the mine and removed some equipment. The fate of the mine was sealed when a major landslide destroyed remaining infrastructure at the mine. The Directorate of Geology and Mines then ordered Glencairn to reclaim the site and protect springs and sources of drinking water. 9

To distance itself from these events, Glencairn changed its name to Central Sun Mining and focused on its mine sites in other countries.10 Although they have begun reclamation work at Bellavista, the paltry sum that they had posted as a reclamation bond before mining, only US$ 250,000, is no guarantee that they will finish the job properly. Glencairn has also denied requests by activists to disclose the extent of the spill's damage,11 nor would they agree to an independent evaluation.12 On a phone call with investors in November 2007, CEO Peter Tagliamonte continued to claim that they had not detected any cyanide below the leach pad, that the mine would not generate acid mine drainage, and that they would not allow an independent evaluation of the situation.

The director of mining and geology Francisco Castro pledged to not allow the company to remove expensive equipment until the remediation process was finished.13 The company, however, was moving materials as recently as 25 April, 2008 and the reclamation and restoration is far from finished.

Glencairn / Central Sun Mining at other sites
Glencairn owns the Libertad and Limón mines in Nicaragua and faced concerns at those sites as well. In 2006, the company faced three weeks of protests by workers who were fired from the Limón mine. That same year, it suspended operations at the Libertad mine due to a blockade by 17 workers. 14 The Libertad mine, which Glencairn is trying to turn into a conventional milling mine,15 was blamed for pollution of the Rio Mico.16

A Glencairn subsidiary faced controversy in the US too in September 2007 when it, along with several other companies, reached a settlement with the state of Maine for failing to properly clean up the Blue Hill copper mine site. The EPA found numerous environmental problems at the site, include the direct release of tailings into nearby streams and an inadequate covering of tailings ponds with a mere 12 inches of soil, making mine waste exposure inevitable. 17

Open-pit mining in Costa Rica?
Open-pit mining is particularly destructive and was banned in Costa Rica in 2002, though Bellavista was granted a concession before the ban and pushed through in spite of opposition. 18

In April, 2008, the government of President Oscar Arias repealed the national ban of 2002. At the same time the government gave permission for another open-pit mine to proceed.19 Vannessa Ventures, headquartered in Calgary, has fought to develop its own open-pit gold mine, Cerro Crucitas, after the Supreme Court revoked its mining permit for failing to establish adequate environmental safeguards. After struggling for years to obtain permission for the mine and even threatening to use international arbitration, the company was awarded approval for its mining project after announcing a modified mining plan that would reduce the amount of surface area disturbed. Community opposition has since succeeded in stalling the project and convincing presidential authority to instate a ban on gold mining in the country. This has not yet ended the project, as you can read about on our page about Cerro Crucitas.

[Updated July, 2010]

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Footnotes

  1. Glencairn Gold
  2. Da Rosa and Lyon, p. 43; Robert E. Moran, Cyanide in Mining (Golden, Colorado: MPC, undated), p. 6.
  3. AIDA Annual Report 2005. AIDA (Interamerican Association for Environmental Defense).
  4. Extracción de ore en enero. Al Día 08 September, 2004.
  5. Asociación denuncia contaminación del agua en Costa Rica. ADITAL. 21 May 2007. 27 August 2007. Láscarez S., Carlos. Denuncian derrame de cianuro. Al Día 18 June, 2005.
  6. "Glencairn slides on Costa Rica spill scare." North Bay Nugget 27 July, 2007. "Cyanide risk stops Glencairn." The Halifax Daily News 27 July, 2007. Associated Press."Costa Rica environmentalists warn of potential disaster at Canadian-owned gold mine." International Herald Tribune. 11 September 2007. Bobak, Laura and David Paddon. "Glencairn Gold stock at six-year low as mine closure causes cash squeeze." Canadian Press 15 August 2007.
  7. "Costa Rican Gold Mine Suspended Due to Pollution Risks." Press release.11 September 2007.
  8. Tyrer, Laura. "Costa Rican gold mine suspended over pollution risks." Mining Weekly 28 September 2007. Canadian Press. "Glencairn stock tumbles on cyanide fears." The Star 12 September 2007.
  9. "Derrumbes destruyeron planta procesadora de oro en Puntarenas; Minera obligada a reparar daños por deslizamientos." La Nación 29 October 2007. li>"Glencairn Gold in restructuring talks." The Toronto Star 01 October 2007.
  10. "Costa Rican Gold Mine Suspended Due to Pollution Risks." Press release.11 September 2007.
  11. Glencairn a < 2007. november 14 call. investor>
  12. Sherwood, Dave. "Mine disaster at Miramar: a story foretold." Tico Times 18 January, 2008.
  13. "GLE: Suspends Mining at Limon Due to Illegal Blockade." Comitex News Network. 14 February 2006.
  14. "Glencairn enters into option to purchase Nevada Mill Facility; Advances Libertad to feasibility," Press release. 8 May 2007.
  15. "Glencairn Gold reinicia operació en mina nicaragüense tras bloqueo de rutas" Noticias Financieras. 07 March 2006. "Para el Marena no hay problema con río Mico."El Nuevo Diario. 10 February 2006.
  16. "Glencairn Gold Reports Settlement of Blue Hill Litigation." Glencairn press release. 4 September 2007. EPA background on Blue Hill settlement
  17. "Extracción de oro en enero." Al Día 08 September 2004.
  18. Costa Rica reactiva permisos de minería, ecologistas anuncian combate.¨ La Nación 24 April, 2008. "Advierten riesgos de exploración minera en Costa Rica." Al Día 31 January, 2007 Corkery, Aiden. Vannessa to seek international arbitration for Crucitas if necessary SETENA Approves Vannessa's Modified Environmental Impact Statement Involving Hard-Rock Mining at Crucitas," Press release. 4 February 2008.

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