{"id":"25ac056e-0209-432a-9648-939d9c387eb7","kind":"news","code":"25ac056e-0209-432a-9648-939d9c387eb7","name":"Mariana Minerals Raises $310M Series B Led by Khosla for Critical Minerals","nameBasis":"translated-title","summary":"On August 3, 2026, per PR Newswire, critical minerals development and production company Mariana Minerals raised $310M in a Series B led by Khosla Ventures with a16z, Breakthrough Energy Ventures and Mitsubishi Corporation. The company was co-founded in 2024 by Caldwell, Baker Tilney and Juan Lozano.","description":"","country":null,"category":null,"originalName":"Mariana Minerals完成3.1亿美元B轮融资，开发关键矿产","eventDate":"2026-08-03T00:00:00.000Z","website":"https://www.prnewswire.com/news-releases/mariana-minerals-raises-310-million-series-b-led-by-khosla-","sourceUpdatedAt":"2026-10-19T05:58:24.817Z","englishUpdatedAt":"2026-10-20T18:21:32.462Z","reviewedAt":"2026-10-20T18:21:32.462Z","snapshotAt":"2026-10-20T18:19:32.670Z","sourceHash":"1447fb892cebdd73d9d309556fda584a0ca4ac6bc9fed4bcf05955ec0a6941a3","companyId":"7b8210ff-17dc-40c5-a84f-d3b4690bfafe","foundedYear":null,"logoUrl":null,"originalText":"2026年8月3日，据PR Newswire报道，关键矿产开发与生产公司Mariana Minerals完成3.1亿美元B轮融资，Khosla Ventures领投，a16z、Breakthrough Energy Ventures、Mitsubishi Corporation等参与。公司由Caldwell、Baker Tilney和Juan Lozano等于2024年共同创立。","sources":[{"url":"https://www.prnewswire.com/news-releases/mariana-minerals-raises-310-million-series-b-led-by-khosla-","publishedOn":"2026-08-03T00:00:00.000Z"}],"related":[{"id":"4ec29563-569e-47f6-a6d8-980c046df383","kind":"institutions","code":"UB-I041","name":"Andreessen Horowitz","nameBasis":"original-brand","summary":"a16z, a prominent US venture capital firm focused on early- and growth-stage technology investments, with investments in Facebook, Airbnb, and other companies.","description":"a16z, a prominent US venture capital firm focused on early- and growth-stage technology investments, with investments in Facebook, Airbnb, and other companies.","country":"United States","category":null,"originalName":"Andreessen Horowitz","eventDate":null,"website":"https://a16z.com/","sourceUpdatedAt":"2026-10-20T17:00:11.961Z","englishUpdatedAt":"2026-10-20T18:26:56.110Z","reviewedAt":"2026-10-20T18:26:56.110Z","snapshotAt":"2026-10-20T18:10:00.657Z","sourceHash":"df437935dca6ceed0a230a2102bcaa6ffcc22113545246d8909e3dfedf82a3a1","companyId":null,"foundedYear":null,"logoUrl":null,"path":"/institutions/andreessen-horowitz"},{"id":"f7cab4be-7bff-4162-a304-9723b00a4b24","kind":"institutions","code":"UB-I2791","name":"Breakthrough Energy Ventures","nameBasis":"original-brand","summary":"Breakthrough Energy Ventures, a venture capital firm focused on climate investments.","description":"Breakthrough Energy Ventures, a venture capital firm focused on climate investments.","country":"United States","category":null,"originalName":"Breakthrough Energy Ventures","eventDate":null,"website":null,"sourceUpdatedAt":"2026-10-19T01:00:16.126Z","englishUpdatedAt":"2026-10-20T18:27:14.245Z","reviewedAt":"2026-10-20T18:27:14.245Z","snapshotAt":"2026-10-20T18:10:00.657Z","sourceHash":"b724b270328b0f4ca35eaeebe744d36174fc331aa828f3cd8c265de10b61e8fe","companyId":null,"foundedYear":null,"logoUrl":null,"path":"/institutions/breakthrough-energy-ventures"},{"id":"18d9f846-a62e-4ec4-8830-ea4c08214c5d","kind":"institutions","code":"UB-I374","name":"Khosla Ventures","nameBasis":"original-brand","summary":"A prominent US venture capital firm founded by Vinod Khosla, focused on deep technology, biotechnology, and clean energy investments.","description":"A prominent US venture capital firm founded by Vinod Khosla, focused on deep technology, biotechnology, and clean energy investments.","country":"United States","category":null,"originalName":"Khosla Ventures","eventDate":null,"website":"https://khoslaventures.com/","sourceUpdatedAt":"2026-10-20T07:00:15.508Z","englishUpdatedAt":"2026-10-20T18:26:49.373Z","reviewedAt":"2026-10-20T18:26:49.373Z","snapshotAt":"2026-10-20T18:10:00.657Z","sourceHash":"50251e483479e496c5efc50a901f32df7ae8e15f7f3f58dfa0034f7dd58597da","companyId":null,"foundedYear":null,"logoUrl":null,"path":"/institutions/khosla-ventures"},{"id":"7b8210ff-17dc-40c5-a84f-d3b4690bfafe","kind":"companies","code":"UB-C9421","name":"Mariana Minerals","nameBasis":"source-english","summary":"","description":"","country":null,"category":null,"originalName":"Mariana Minerals","eventDate":null,"website":null,"sourceUpdatedAt":"2026-10-12T00:00:00.000Z","englishUpdatedAt":"2026-10-20T18:25:20.256Z","reviewedAt":"2026-10-20T18:25:20.256Z","snapshotAt":"2026-10-20T18:05:01.520Z","sourceHash":"56a7f2b2751a3a4299677ddf8260ee9991a57c9fc4806c217a0b791652f3f500","companyId":null,"foundedYear":null,"logoUrl":null,"path":"/companies/mariana-minerals"},{"id":"e6142bdf-6b22-4faa-a222-70b2c78acfc5","kind":"institutions","code":"UB-I2738","name":"Mitsubishi Corporation","nameBasis":"original-brand","summary":"Mitsubishi Corporation, a corporate investment entity undertaking strategic investments.","description":"Mitsubishi Corporation, a corporate investment entity undertaking strategic investments.","country":"Japan","category":null,"originalName":"Mitsubishi Corporation","eventDate":null,"website":null,"sourceUpdatedAt":"2026-10-19T01:00:15.535Z","englishUpdatedAt":"2026-10-20T18:27:13.904Z","reviewedAt":"2026-10-20T18:27:13.904Z","snapshotAt":"2026-10-20T18:10:00.657Z","sourceHash":"e543d8f543ff193301689865bb7e27b68fd3c1a52d0c0867e81e76bd1d6d2fb7","companyId":null,"foundedYear":null,"logoUrl":null,"path":"/institutions/mitsubishi-corporation"}],"path":"/news/25ac056e-0209-432a-9648-939d9c387eb7","structured":{"city":null,"country":null,"location":null,"role":null,"category":null,"company":{"name":"Mariana Minerals","path":"/companies/mariana-minerals"}},"canonical":"https://uniquebase.ai/news/25ac056e-0209-432a-9648-939d9c387eb7"}