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South Wales Geologists' Association

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The South Wales Geologists' Association is a local affiliated group that promotes the study, appreciation and conservation of geology across South Wales.

Last updated August 26, 2026

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Overview

The South Wales Geologists' Association (SWGA) is a local group affiliated with the Geologists' Association and focused on geology and earth-science education in South Wales. Established in 1960, the group brings together professional geologists, students, amateur enthusiasts and other members of the public who share an interest in the geological history and landscapes of the region. It is not a commercial product brand: its identity is primarily that of a learned society, community organisation and public-facing educational group. The association's central purpose is to study and promote the geology of South Wales. Its programme has traditionally followed a seasonal pattern. During the summer, members and guests take part in field excursions to sites of geological interest. These activities provide direct observation of rock formations, structures, landscapes and processes, while also supporting informal learning and discussion among participants with different levels of experience. During the winter season, the association arranges lectures connected with the geology departments of Swansea University or Cardiff University. This combination of fieldwork and lectures gives the organisation both a practical and academic character. Public engagement is another important part of the SWGA's remit. The association supports Rockwatch activities for young people and participates in geological events intended for a wider public audience. Through these activities, it helps introduce earth sciences beyond university and professional settings. Its publications have likewise been designed for a range of abilities and interests, including field guides, geological booklets and leaflets for guided walks in South Wales. Documented publications include a guide to geological excursions in Dyfed, Walking the Rocks, and The Land of the Beacons Way, which links scenery and geology across the Brecon Beacons National Park. The SWGA operates within a broad network of organisations concerned with geology, natural history, landscape and conservation. It maintains links with the Pembrokeshire Coast National Park Authority, Fforest Fawr Geopark, the Southern Wales regional group of the Geological Society, the Wales & West branch of the Russell Society and the Cardiff Naturalists' Society. These relationships reflect the overlap between geological study, landscape interpretation, biodiversity, heritage and environmental stewardship. The association has also supported geoconservation and geodiversity initiatives, particularly through involvement in the creation of the South East Wales Regionally Important Geodiversity Sites group. This work extends the organisation's role beyond lectures and excursions: it contributes to recognition and protection of sites that are important for understanding the region's geological record. The group was headed by a chairman from the period of its formation through 1996. From 1996 onward, its senior figure has been styled president. In 1996 the association also became a registered charity in England and Wales under charity number 1054303. The available reference material does not identify a current president, headquarters, website or detailed present-day governance structure. Nevertheless, the association's documented activities and continuing affiliation place it among the region's established voluntary organisations for geological education and public engagement.

History

The South Wales Geologists' Association originated in 1960 as a regional group serving people interested in the geology of South Wales. Douglas Bassett and T. R. Owen are recorded among its co-founders. From its beginning, the group operated as a local association connected with the wider Geologists' Association, giving regional members a forum for lectures, excursions and discussion while retaining links to the national learned-society network. The organisation's activities developed around two complementary forms of geological education. Summer field trips enabled participants to examine South Wales geology directly, including the rocks, structures, landscapes and sites that record the region's geological development. In winter, the group arranged lectures at or in association with the geology departments of Swansea University and Cardiff University. This programme allowed the association to serve both specialists and non-specialists, and supported exchange between academic geology, professional practice and amateur study. The SWGA also developed a public-facing role. It welcomed anyone with an interest in geology and earth sciences rather than limiting participation to formally qualified geologists. The group supported Rockwatch activities for young people and contributed to geological events aimed at the general public. These activities helped connect regional geological knowledge with schools, families, visitors and local communities. Publication became another means of sharing that knowledge. The association's documented output included field guides, geological booklets and leaflets for guided walks. Examples include Michael G. Bassett's Geological Excursions in Dyfed, published in 1982; Walking the Rocks by S. Howe, G. Owen and T. Sharpe, published in 2005; and Dilys Harlow's The Land of the Beacons Way: Scenery and Geology Across the Brecon Beacons National Park, published in 2014. Together, these works demonstrate the association's interest in presenting geology through accessible excursions and landscape interpretation as well as through conventional lectures. The association's network expanded beyond geology societies. It maintained close links with the Pembrokeshire Coast National Park Authority, Fforest Fawr Geopark, the Southern Wales regional group of the Geological Society, the Wales & West branch of the Russell Society and the Cardiff Naturalists' Society. These connections placed the SWGA within a wider Welsh community concerned with natural history, protected landscapes, mineral and fossil heritage, and environmental education. Geoconservation and geodiversity became particularly visible parts of the group's work. The association supported initiatives intended to identify, understand and conserve important geological sites, including involvement in the establishment of the South East Wales Regionally Important Geodiversity Sites group. This work complemented the association's educational programme by helping ensure that sites used for teaching, research and public interpretation received recognition. Governance terminology changed in 1996. The group had been led by a chairman during the period from 1959 to 1996, according to the association's historical material, and thereafter used the title president. In the same year, the SWGA was registered as a charity in England and Wales under number 1054303. The available reference material does not provide a complete list of officeholders, a current leadership roster, an official website or detailed financial information. It does, however, document an established regional organisation whose continuing purpose is to promote geological knowledge, participation and conservation across South Wales.

  • 2014

    The Land of the Beacons Way published

    [1]

    Dilys Harlow published a guide interpreting the scenery and geology along the Beacons Way in the Brecon Beacons National Park.

  • 2005

    Walking the Rocks published

    [1]

    S. Howe, G. Owen and T. Sharpe published Walking the Rocks, one of the association's geological guides for the region.

  • 1996

    Charitable registration and governance transition

    [1]

    The association became a registered charity under number 1054303, and its senior office changed from chairman to president.

  • 1982

    Geological Excursions in Dyfed published

    [1]

    Michael G. Bassett published a SWGA-associated guide to geological excursions in Dyfed, in south-west Wales.

  • 1960

    Association founded

    [1]

    The South Wales local group was founded, with Douglas Bassett and T. R. Owen among the co-founders.

Products and positioning

A regional learned society and public-education organisation combining amateur and professional geological interests with fieldwork, lectures, publications and geoconservation.

  • Field guide · 1982

    Geological excursions in Dyfed, south-west Wales

    A geological excursion guide by Michael G. Bassett covering sites and routes in Dyfed. It represents the association's effort to make regional geology accessible through organized or self-guided field study.

  • Geological guidebook · 2005

    Walking the Rocks

    A guide by S. Howe, G. Owen and T. Sharpe designed to connect walking routes with geological interpretation. It reflects the SWGA's emphasis on field-based learning and public appreciation of South Wales landscapes.

  • Landscape and geology guide · 2014

    The Land of the Beacons Way: Scenery and Geology Across the Brecon Beacons National Park

    Dilys Harlow's guide interprets the scenery and geological setting of the Beacons Way across the Brecon Beacons National Park. It combines landscape appreciation with earth-science explanation for walkers and general readers.

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