Located in Houston, Texas, National Petrographic Service, Inc. is an independent laboratory of geologists and technicians, specializing in the preparation of thin and polished sections for petrographic study, and sample preparation for paleontological, palynology, kerogen and vitrinite slides.
Keywords: laboratory, thin sections, polished sections, petrographic, sample, preparation, paleontological, palynology, kerogen, vitrinite, slides, vitrinite, reflectance, concrete, nps, national petrographic, houston, texas, usa, united states
