The journal REVISTA MEXICANA DE CIENCIAS GEOLOGICAS has not been located in the database Materials Science & Engineering Collection (ProQuest). Notice that the system uses the ISSN(S) Materials Science & Engineering Collection (ProQuest) . Notice that the system uses the ISSN(S) 1026-8774 for the location.

The list of titles Materials Science & Engineering Collection (ProQuest) has been checked http://tls.search.proquest.com/titlelist/ListForward?productId=1010295%3A1007853%3A1010296%3A1007851&productName=Materials+Science+%26+Engineering+Collection&format=tab&IDString=1010295%3A1007853%3A1010296%3A1007851&issn=Y and analyzed on 2024-12-21 12:14:15. 21-12-2024

Possible reasons for not being included yet appear in this repository are :

• That does not include the ISSN repository or this is different from those in MIAR ( 1026-8774 ). (1026-8774).
• That the repository indicates that the magazine is not currently active with terms such as inactive or Ceased.
• It has been included after the 2024-12-21 12:14:15 In this case will appear in the next update of MIAR.
• It has been an error in the automatic extraction of deteccióny ISSN file.
• For Latindex , you are in the directory but not found in the catalog.

In either case can communicate the problem.