title: The volcanic geology of the Mt Karioi region

authors: Matheson, Stephen

subjects: Volcanoes New Zealand

abstract: Mt Karioi is a 756 m high stratovolcano of Pliocene age (2.9 - 2.3 m.y. B.P.) situated south of Raglan, on the west coast of the North Island. Immediately surrounding Mt Karioi are a number of small low-lying volcanic centres of the Plio-Pleistocene Okete Volcanic Formation (3.79 – 1.80 m.y.B.P.) which can be separated from the Karioi Volcanic Formation by their volcanic form, petrology and petrochemistry.
The Karioi Volcanic Formation consists of basalt, basaltic andesite and andesite lavas, volcanic breccias and tuffs produced by strombolian eruptions, and lahar deposits initiated by heavy rain on the upper slopes of the volcano. The Okete Volcanic Formation, comprising olivine basalt lava flows, scoria cones and ash, was produced by strombolian and phrea­tomamgatic activity. Karioi lavas are generally coarse-grained porphyritic rocks with large phenocrysts of plagioclase, clinopyroxene and olivine. The Okete lavas are dominated by olivine phenocrysts set in a fine-grained pilotaxitic groundmass. 
Thirteen new analyses of lavas in the region are presented and discussed with ten previously published analyses. Chemically the Karioi lavas show a complete range from basanitoids to quartz tholeiites. The Okete lavas show less variation and are mainly basanitoids with minor alkali olivine basalts and olivine tholeiites. From the trace element data, strontium isotope information and restriction of ultramafic nodules to the Okete Volcanics, it is apparent that these two formations are not linked petrogenetically. The Karioi calc-alkaline rock series is largely the result of amphibole fractionation of a nepheline normative hydrous basaltic melt which produced a series of liquids which crossed the critical plane of undersaturation. The Okete Volcanics underwent little or no differentiation; each magma type is the result of varying degrees of 1-Jartial melting of mantle at different depths which produced a variety of melts with a range in saturation. 
The basalts of both volcanic formations are behind-arc basalts which show little pattern in relation to a subducting lithospheric slab and were probably derived from a source in the lower velocity zone of the upper mantle. The limited volumes of andesite having been derived by fractional crystallisation of a basalt cannot themselves be anyway related to the Benioff Zone. 
A summary of the volcanic history of the Mt Karioi region is discussed and shown in a series of schematic diagrams.

text: The volcanic geology of the Mt Karioi region Mt Karioi is a 756 m high stratovolcano of Pliocene age (2.9 - 2.3 m.y. B.P.) situated south of Raglan, on the west coast of the North Island. Immediately surrounding Mt Karioi are a number of small low-lying volcanic centres of the Plio-Pleistocene Okete Volcanic Formation (3.79 – 1.80 m.y.B.P.) which can be separated from the Karioi Volcanic Formation by their volcanic form, petrology and petrochemistry.
The Karioi Volcanic Formation consists of basalt, basaltic andesite and andesite lavas, volcanic breccias and tuffs produced by strombolian eruptions, and lahar deposits initiated by heavy rain on the upper slopes of the volcano. The Okete Volcanic Formation, comprising olivine basalt lava flows, scoria cones and ash, was produced by strombolian and phrea­tomamgatic activity. Karioi lavas are generally coarse-grained porphyritic rocks with large phenocrysts of plagioclase, clinopyroxene and olivine. The Okete lavas are dominated by olivine phenocrysts set in a fine-grained pilotaxitic groundmass. 
Thirteen new analyses of lavas in the region are presented and discussed with ten previously published analyses. Chemically the Karioi lavas show a complete range from basanitoids to quartz tholeiites. The Okete lavas show less variation and are mainly basanitoids with minor alkali olivine basalts and olivine tholeiites. From the trace element data, strontium isotope information and restriction of ultramafic nodules to the Okete Volcanics, it is apparent that these two formations are not linked petrogenetically. The Karioi calc-alkaline rock series is largely the result of amphibole fractionation of a nepheline normative hydrous basaltic melt which produced a series of liquids which crossed the critical plane of undersaturation. The Okete Volcanics underwent little or no differentiation; each magma type is the result of varying degrees of 1-Jartial melting of mantle at different depths which produced a variety of melts with a range in saturation. 
The basalts of both volcanic formations are behind-arc basalts which show little pattern in relation to a subducting lithospheric slab and were probably derived from a source in the lower velocity zone of the upper mantle. The limited volumes of andesite having been derived by fractional crystallisation of a basalt cannot themselves be anyway related to the Benioff Zone. 
A summary of the volcanic history of the Mt Karioi region is discussed and shown in a series of schematic diagrams.

year: 1981

title: Sustainable livelihood development: A case study measuring social capital and its role in sustainable livelihood development in Zoucheng, China

authors: Liu, Shaoyong

subjects: sustainable livleihood development

abstract: This thesis is to discover whether the strength of social capital can alter household livelihoods and their sustainability. The intention of this thesis is to answer two questions: (1) Can different types of social ties (kin and non-kin ties) lead to differential access to social capital in a small community in China？(2) Does the strength of social capital alter local livelihood patterns by diversifying household livelihoods, or producing new livelihoods in an industry that has potential for development? 
This thesis, using a quantitative methodology, focuses on social capital measures. It begins with data collection on the social capital status and livelihoods of mining households. The household survey used a random recruitment for sample selection, which involved 228 participants in mines and related working departments (e.g. electricity, and the corporate headquarters of the local biggest mining company) in Zoucheng city, Shandong Province, China. OLS regression models used the household survey to generate associations of variables, such as human capital resources for respondents, length and location of residency, access to social networks, etc. with the composite measure of access to social capital. With these analyses and background information about Zoucheng, I use a simulation model to project the alternative livelihoods for local rural households based on local resources (e.g. farmland, tourism, and mineral resources). The aim of the simulation model was to better understand the role that social capital might play in possible transitions to alternative livelihoods (namely, tourism and farming).

The research results argue that both kin ties and weak ties (such as friendships) are important factors associated with social capital for mining sector residents in Zoucheng (Chapter Six). The advantages of strengthened social capital are presented in the simulation model (Chapter Eight). As social capital was enhanced, both incomes and number of rural tourism operators increased. These results have implications for governmental policy regarding livelihood strategy diversification and poverty alleviation. An understanding of these concepts may play a role in assisting emerging economies to be resilient at local levels and better equipped to withstand exogenous shocks in certain cultural contexts (e.g. Confucian society).

text: Sustainable livelihood development: A case study measuring social capital and its role in sustainable livelihood development in Zoucheng, China This thesis is to discover whether the strength of social capital can alter household livelihoods and their sustainability. The intention of this thesis is to answer two questions: (1) Can different types of social ties (kin and non-kin ties) lead to differential access to social capital in a small community in China？(2) Does the strength of social capital alter local livelihood patterns by diversifying household livelihoods, or producing new livelihoods in an industry that has potential for development? 
This thesis, using a quantitative methodology, focuses on social capital measures. It begins with data collection on the social capital status and livelihoods of mining households. The household survey used a random recruitment for sample selection, which involved 228 participants in mines and related working departments (e.g. electricity, and the corporate headquarters of the local biggest mining company) in Zoucheng city, Shandong Province, China. OLS regression models used the household survey to generate associations of variables, such as human capital resources for respondents, length and location of residency, access to social networks, etc. with the composite measure of access to social capital. With these analyses and background information about Zoucheng, I use a simulation model to project the alternative livelihoods for local rural households based on local resources (e.g. farmland, tourism, and mineral resources). The aim of the simulation model was to better understand the role that social capital might play in possible transitions to alternative livelihoods (namely, tourism and farming).

The research results argue that both kin ties and weak ties (such as friendships) are important factors associated with social capital for mining sector residents in Zoucheng (Chapter Six). The advantages of strengthened social capital are presented in the simulation model (Chapter Eight). As social capital was enhanced, both incomes and number of rural tourism operators increased. These results have implications for governmental policy regarding livelihood strategy diversification and poverty alleviation. An understanding of these concepts may play a role in assisting emerging economies to be resilient at local levels and better equipped to withstand exogenous shocks in certain cultural contexts (e.g. Confucian society).

year: 2017

title: Self-decolonisation in Aotearoa: Pushing through programmatic Pākehā paralysis

authors: Weijers, Dan M.

abstract: Te reo, tīkanga, mātauranga, te Ao, and kaupapa Māori are finally seeing a resurgence in Aotearoa. This revitalisation is occurring in the tertiary education sector, but staff and skill deficits are holding back many academic disciplines. This chapter documents the challenges facing a traditionally colonial tertiary programme—philosophy— attempting to de-colonise itself. The overlapping nature of the challenges can make decolonising appear to be so difficult that some programmes may feel paralysed. This chapter argues that the importance of decolonisation requires that programmes push through any paralysis they may be experiencing by prioritising decolonisation above other goals.

text: Self-decolonisation in Aotearoa: Pushing through programmatic Pākehā paralysis Te reo, tīkanga, mātauranga, te Ao, and kaupapa Māori are finally seeing a resurgence in Aotearoa. This revitalisation is occurring in the tertiary education sector, but staff and skill deficits are holding back many academic disciplines. This chapter documents the challenges facing a traditionally colonial tertiary programme—philosophy— attempting to de-colonise itself. The overlapping nature of the challenges can make decolonising appear to be so difficult that some programmes may feel paralysed. This chapter argues that the importance of decolonisation requires that programmes push through any paralysis they may be experiencing by prioritising decolonisation above other goals.

year: 2024