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Rachelle Sanchez

Massey University

Private Bag 11 222

Palmerston North, 4442

New Zealand

SCHOLARLY PAPERS

3

DOWNLOADS

108

TOTAL CITATIONS

0

Scholarly Papers (3)

1.

Timescales and processes of hydrothermal alteration at Te Maari Tongariro, New Zealand: Insights utilizing petrographic and mass balance techniques

Number of pages: 54 Posted: 01 Nov 2025
Massey University, Massey University, University of Salamanca, University of Salamanca, affiliation not provided to SSRN and University of Bonn
Downloads 47 (1,109,210)

Abstract:

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Hydrothermal, Argillic alteration, Alunite, Tongariro, SWIR, Hyperspectral mineralogy

2.

Alteration minerals and their formation environments in intrusionrelated hydrothermal systems at Ruapehu (New Zealand) – New insights from mass balance and thermodynamic modelling

Number of pages: 36 Posted: 13 Dec 2025
University of Salamanca, Massey University, Massey University, Universidad de Alicante, Universidad de Salamanca, University of Salamanca, affiliation not provided to SSRN, Yamagata University and Yamagata University
Downloads 43 (1,157,785)

Abstract:

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Ruapehu, alteration minerals, mass balance, thermodynamics, water-rock reactions

3.

Hyperspectral Imaging, Mineralogy, And Degassing: Exploring

The Volcanic Hydrothermal System Of Red Crater, Tongariro,

Aotearoa New Zealand

Number of pages: 72 Posted: 16 Jan 2026
Massey University, Massey University, affiliation not provided to SSRN, Massey University, University of Salamanca and Massey University
Downloads 18 (1,491,251)

Abstract:

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Hyperspectral imaging, Imaging spectroscopy, Hydrothermal alteration, Volcano mapping, Degassing, Geochemistry