Sentence examples for underlying paint from inspiring English sources

They tested formations of the mineral that had grown atop paintings in 11 caves, assuming that whatever its age, the underlying paint had to be at least as old, and possibly much older.

At wavelengths longer than ~580 nm, the red layer becomes increasingly transparent and the underlying paint dominates the reflectance spectra.

Additionally this approach may provide extra information by permitting Raman analysis to probe underlying paint layers [25].

Their function is to ensure adhesion between the paint layers, to protect the underlying paint layer, and, in the case of the imprimitura, to fix the underdrawn and reduce the absorbency of the ground layer [10].

The dark blue color resulting from the mixture can be seen where a loss in the surface paint layers exposes the underlying paint near the sitter's right elbow (see detail, Fig. 3c).

Variegated color in the underlying paint layers suggested Picasso used a more direct approach in painting the portrait, applying relatively pure color and mixing paint wet-into-wet on the canvas.

The features of the underlying painting are highlighted in red.

The light brown areas on the microscopy images represent the flesh tones of the underlying painting.

This strongly suggests the underlying painting had time to dry before The Blue Room was painted on top of it.

In almost all the samples examined, only a single painting layer was observed with the exception of the Marian painting, where an underlying painting layer was identified.

Microanalysis of paint samples provided detailed information about pigment mixtures and paint stratigraphy while the complementary data sets provided by RIS and SR-XRF yielded important information about pigment distribution in both pictures and clarified details of the underlying painting.