Dale Kronkright

Georgia O'Keeffe Museum and Research Center · Conservation and Preservation

During a routine condition survey in 2007 at the Georgia O’Keeffe Museum in Santa Fe, micro-protrusions were found scattered across the surfaces of the artist’s oil paintings produced between 1920 and 1950. In many of her works, including Pedernal (1941) and A Man from the Desert (1941), lead soaps were found aggregated at the painting surface, for...

A significant number of oil paintings produced by Georgia O’Keeffe (1887–1986) show surface protrusions of varying width, up to several hundreds of microns. These protrusions are similar to those described in the art conservation literature as metallic soaps. Since the presence of these protrusions raises questions about the state of conservation a...

A significant number of oil paintings produced by Georgia O'Keeffe (1887-1986) show surface protrusions of varying width, up to several hundreds of microns. These protrusions are similar to those described in the art conservation literature as metallic soaps. Since the presence of these protrusions raises questions about the state of conservation a...

Poster

Starting in the 1890’s the artist Paul Gauguin (1848-1903) created a series of monoprints and drawings using techniques that are not entirely understood. To better understand the artist’s production methods, the analytical imaging technique of quantitative reflectance transformation imaging (Q-RTI) was used to assess the surface shape of a number o...

Starting in the 1890’s the artist Paul Gauguin (1848-1903) created a series of monoprints and drawings using techniques that are not entirely understood. To better understand the artist’s production methods, the analytical imaging technique of quantitative reflectance transformation imaging (Q-RTI) was used to assess the surface shape of a number o...

In the last decade, imaging has become an increasingly significant player in the analysis, preservation and dissemination of cultural heritage, especially in archeology, art, and conservation programs. As new imaging methods have been developed, they have routinely been applied to cultural heritage. Reflectance transformation imaging (RTI) has been...

In this paper we propose a reliable surface imaging method for the non-invasive detection of morphological changes in paintings. Usually, the evaluation and quantification of changes and defects results mostly from an optical and subjective assessment, through the comparison of the previous and subsequent state of conservation and by means of condi...

Sites and objects of cultural heritage – from art to ancient inscriptions to ruins – are under constant attack by time and the environment. While much is known about how material components change from laboratory-based artificial aging, very little is known about the process or rates of change of actual objects and sites in situ. Reflectance Transf...

Consolidation tests on samples of degraded wood indicate that variations in test results can be very great. The improvement due to consolidation is proportional to degree of wood deterioration. The consolidation of a single-log canoe is described.