Sentence examples for natural cement from inspiring English sources

The same reaction happens in nature, and clumps of natural cement called 'tuffs' can be found scattered around volcanic areas, which is probably what gave the Romans the idea.

The Romans also discovered a natural cement, called pozzolana, which they used for piers in rivers.

As these gases rise toward the surface, they bump up against the natural cement layer, warping the caprock.

The nits, or eggs, adhere to the hair shaft with a "natural" cement that the makers of Krazy Glue must have copied.

When mixed with lime, pozzolana forms a natural cement that is much stronger and more weather-resistant than lime mortar alone and that will harden even under water.

These materials belong to a class known as natural cement, allied to portland cement but more lightly burned and not of controlled composition.

In the process, a blast of superheated steam had struck the rock, dissolving the natural cements that bound it together.

The volumetric portion of bulk rock that is not occupied by grains, crystals, or natural cementing material is termed porosity.

Current Research and Scholarly InterestsI focus on the formation of cementitious minerals through the pozzolanic reaction in both natural (cemented volcanic ashes) and man-made (Roman marine concrete) formations.

CRM (chemical, or crystallization, remanent magnetization) can be induced after a crystal is formed and undergoes one of a number of physicochemical changes, such as oxidation or reduction, a phase change, dehydration, recrystallization, or precipitation of natural cements.

Many properties are also dependent on grain or crystal size, shape, and packing arrangement, the amount and distribution of void space, the presence of natural cements in sedimentary rocks, the temperature and pressure, and the type and amount of contained fluids (e.g., water, petroleum, gases).