Mining Incidents

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Brazil · Titleholder record

SAMACA FERROS LTDA

CNPJ 16.682.218/0001-03

The CNPJ is Brazil's company tax id, here learned from the SIGBM dam register where it names this holder exactly.

4
mining concessions
A concessão de lavra is the full mining concession granted by the ministry after research; the other working-mine stages are lighter regimes for aggregates and small-scale mining.
4
working-mine processes
10
processes, all stages
2,079 ha
working-mine area
5
dams
0
notices
0
press-reported accidents
Dams in the SIGBM register
SIGBM 8820 Emergency level 1 Em Descaracterização
MAIQUINIQUE, BA (Areia)
risk Alta · potential damage Média Alteamento a montante 14.0 m 348,370 m³

Estado de Conservação - Potencial de comprometimento da estrutura

SIGBM 8821 Emergency level 1 Inativa
MAIQUINIQUE, BA (Areia)
risk Alta · potential damage Média Etapa única 19.0 m 1,450,019 m³

Declaração de Condição de Estabilidade não atesta a estabilidade da Barragem

SIGBM 8823 Emergency level 1 Inativa
RIBEIRÃO BRANCO, SP (Minério de Estanho Primário)
risk Alta · potential damage Baixa Etapa única 20.0 m 260,000 m³

Barragem em situação de emergência conforme informação do empreendedor (sem regra de enquadramento)

SIGBM 9988 Emergency level 1 Ativa
MAIQUINIQUE, BA (Areia)
risk Alta · potential damage Média Etapa única 8.5 m 41,365 m³

Declaração de Condição de Estabilidade não atesta a estabilidade da Barragem

SIGBM 10073 No emergency Ativa
MAIQUINIQUE, BA
risk Baixa · potential damage Baixa Etapa única 7.0 m 442,358 m³
Dam Place Previous level Current level
ITAPEVA RIBEIRÃO BRANCO, SP No emergency Emergency level 1

Tabela 4 of ANM's monthly dam-safety bulletin, transcribed from the PDF by a language model and checked row by row against the bulletin's own text and its stated count.

ANM mineral processes
Process Stage Substance Use State Area (ha)
820788/1985 Mining concession
2810
MINÉRIO DE ESTANHO Industrial SP 40.0
820790/1985 Mining concession
687
MINÉRIO DE ESTANHO Industrial SP 39.0
870601/1980 Mining concession
418
GRAFITA Demais substâncias BA 1,000
870602/1980 Mining concession
3116
GRAFITA Demais substâncias BA 1,000
820414/2004 Concession application
2139
GRANITO Revestimento SP 516
820787/1985 Concession application
2139
GRANITO Revestimento SP 29.9
831563/1990 Concession application
2026
GRAFITA Demais substâncias MG 900
831701/1990 Concession application
2026
GRAFITA Demais substâncias MG 1,000
872108/2021 Exploration permit
178
GRAFITA Industrial BA 909
886084/2018 Exploration permit
2481
CASSITERITA Industrial RO 8,552

Working-mine stages first. Area and state as the cadastre lists them; a process with several polygons appears once.