"Dataset description: This dataset contains semi-quantitative phase composition of variably altered lavas from Mt. Taranaki, New Zealand." Column descriptions: 1. block_id: ID of the block from which samples were cored 2. sample_id: ID of the core sample 3. sample_type: Type of sample 4. locality: Sampling locality 5. Feldspar_pct: Amount of feldspar in the sample (%) 6. Pyroxene_pct: Amount of pyroxene in the sample (%) 7. Amphibole_pct: Amount of amphibole in the sample (%) 8. FeTiOxides_pct: Amount of Fe-Ti Oxides in the sample (%) 9. Alunite_pct: Amount of alunite in the sample (%) "10. Silica_pct: Amount of silica (quartz, cristobalite or tridymite) in the sample (%)" 11. actual_amorph_pct: Amount of amorphous phases in the sample (%) "12. amorph_phase_type: Type of amorphous phases in the sample (P-primary volcanic glass, S-secondary silica/aluminosilicates, PS- Primary volcanic glass and secondary silica/aluminosilicates)" 13. other_phases_BSE: Other minor phases identified from backscattered-electron images and energy dispersive spectroscopy performed on select samples "14. alteration_intensity: Alteration intensity of the sample (Fresh-slightly altered, moderately altered, highly altered)" 15. additional_notes: Additional notes pertaining to the sample block_id sample_id sample_type locality Feldspar_pct Pyroxene_pct Amphibole_pct FeTiOxides_pct Alunite_pct Silica_pct actual_amorph_pct amorph_phase_type other_phases_BSE alteration_intensity additional_notes T1 T1-1 Lava Near summit 57 21 0 0 13 0 10 P "Silica, Amphibole, Fe-Ti oxides" Moderately altered T2 T2-1 Lava Near summit 34 10 0 0 8 3 44 P Amphibole Moderately altered T3 T3-1 Lava Near summit 47 19 5 0 10 2 18 P Moderately altered T4 T4-1 Lava Near summit 55 18 6 0 0 0 21 P Fresh-slightly altered T5 T5-1 Lava Near summit 54 21 2 0 0 5 18 P Moderately altered T6 T6-1 Lava Maero stream 56 32 0 2 0 0 10 P Fresh-slightly altered T7 T7-1 Lava Maero stream 54 14 7 0 0 0 25 P Fresh-slightly altered T8 T8-1 Lava Maero stream 55 24 0 2 0 1 18 P Amphibole Fresh-slightly altered T9 T9-1 Lava Maero stream 25 28 0 0 11 0 36 P Moderately altered T10 T10-1 Lava Maero stream 44 10 12 0 0 0 34 P Fresh-slightly altered T11 T11-1 Lava Maero stream 66 26 0 0 0 0 8 P Amphibole Fresh-slightly altered T12 T12-1 Lava Maero stream 53 23 0 1 0 7 17 P Moderately altered T13 T13-1 Lava Maero stream 59 26 0 1 0 4 9 P Amphibole Fresh-slightly altered T14 T14-1 Lava Debris avalanche deposit 69 16 0 0 0 2 13 P Fresh-slightly altered T15 T15-1 Lava Debris avalanche deposit 63 24 0 1 0 2 9 P Fresh-slightly altered T16 T16-1 Lava Debris avalanche deposit 63 23 0 1 0 3 10 P Amphibole Fresh-slightly altered T17 T17-1 Lava Near summit 27 9 0 0 24 3 37 P Moderately altered T18 T18-1 Lava Near summit 45 34 0 0 2 4 17 P Moderately altered T19 T19-1 Lava Near summit 56 6 0 0 8 9 21 P Moderately altered T20 T20-1 Lava Near summit 0 0 0 1 27 14 58 P "Pyroxene, Feldspar" Highly altered T21 T21-1 Lava Near summit 39 31 0 0 3 0 27 P "Amphibole, Silica, Fe-Ti oxides" Moderately altered "Based on visual examination during BSE imaging, this sample is classified as Moderately altered. " T22 T22-1 Lava Near summit 42 26 0 0 6 1 25 P Amphibole Moderately altered T23 T23-1 Lava Near summit 31 8 4 0 6 0 50 P Moderately altered T24 T24-1 Lava Near summit 34 8 14 0 8 0 36 P Moderately altered T25 T25-1 Lava Summit 57 22 0 2 0 0 19 P Amphibole Fresh-slightly altered T26 T26-1 Lava Maero stream 67 20 2 1 0 0 10 P Fresh-slightly altered T27 T27-1 Lava Pyramid stream 67 21 0 3 0 0 9 P Amphibole Fresh-slightly altered T28 T28-1 Lava Maero stream 53 18 3 3 0 0 23 P Fresh-slightly altered T29 T29-1 Lava Maero stream 58 12 4 4 0 0 22 P Fresh-slightly altered T30 T30-1 Lava Maero stream 56 17 3 2 0 0 22 P Fresh-slightly altered T31 T31-1 Lava Maero stream 50 17 9 0 0 0 23 P Fresh-slightly altered T32 T32-1 Lava Maero stream 53 13 8 1 0 0 25 P Fresh-slightly altered T33 T33-1 Lava Maero stream 48 15 10 0 0 0 27 P Fresh-slightly altered T34 T34-1 Lava Maero stream 55 15 6 1 0 0 23 P Fresh-slightly altered