Appendix 1—table 18. EDS eZAF Smart Quant results of fibrous mass (spot 2) from demineralised Late Cretaceous Centrosaurus bone area B.

Element	Weight %	Atomic %	Net int.	Error %	Kratio	Z	R	A	F
C K	5.94	10.38	62.73	99.99	0.0070	1.1021	0.9464	0.1076	1.0000
O K	36.53	47.94	2200.10	8.49	0.1021	1.0562	0.9684	0.2646	1.0000
AlK	5.47	4.26	1553.47	4.17	0.0385	0.9413	1.0098	0.7276	1.0272
SiK	48.16	36.01	14261.52	3.30	0.3611	0.9622	1.0166	0.7771	1.0027
S K	0.57	0.37	105.79	8.71	0.0033	0.9426	1.0291	0.6074	1.0061
K K	0.06	0.03	12.05	55.96	0.0005	0.8927	1.0453	0.8536	1.0188
CaK	0.79	0.42	135.54	6.59	0.0066	0.9091	1.0501	0.8985	1.0229
BaL	1.43	0.22	80.41	12.01	0.0107	0.6546	1.2527	1.0784	1.0639
FeK	0.34	0.13	31.14	16.61	0.0030	0.8109	1.0708	0.9951	1.0943
CuK	0.71	0.24	42.62	16.37	0.0065	0.7765	1.0733	1.0049	1.1673