Açık Ayak İşletme Metodu;
1) Belli bir plan düşünülmeden, tahkimat yapılmadan arasıra çatal direk vurmak veya topuklar bırakmak suretiyle cevher yatağının gelişmesine göre gayri muntazam bacalar (galeri ve kılavuzlar) sürmek veya muntazam bacalar sürüp topuklar bırakmak ve maden yatağının kalınlığına göre açık işletmelerde olduğu gibi basamaklar yapmak suretiyle cevher ve yan taşı sağlam olan metalik cevher yataklarına uygulanan yeraltı (üretim) işletme metotları. Köstebek, Basit mağara, Sistemsiz topuklu, Sistematik topuklu, Başaşağı, Yeraltı huni (glori hol), Başyukarı, Oda ve topuk, Tali (ara) katlı açık ayak işletme metodu diye sınıflandırılabilir.
2) Tahkimatsız ayak işletme metodu.
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