Characterisation of bituminite and testing reproducibility of vitrinite and bituminite reflectance measurements in organic‑carbon-rich intervals of the Kimmeridge Clay Formation: ICCP Identification of Dispersed Organic Matter Working Group round robin exercises

J. Kus; A.G. Borrego; B. Bielowicz; P. Crosdale; M.-E. Damoulianou; D. Flores; C. Fonseca; P.A. Gonçalves; P.C. Hackley; M. Hámor-Vidó; S. Henne; B. Holstein; I. Jelonek; S. Kalaitzidis; M. Luzhbina; J.G. Mendonça Filho; T.R. Menezes; M. Misz-Kennan; R. Orban; W. Pickel; N.V. Pronina; P. Ranasinghe; J. Reyes; G. Siavalas; A.K. Singh; P.K. Singh; I. Suárez-Ruiz; I. Sýkorová; Q. Luo; D. Životić; P. Wignall; ICCP