Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W4237514895', 'doi': 'https://doi.org/10.2475/ajs.262.3.281', 'title': 'The crystallization index as a parameter of igneous differentiation in binary variation diagrams', 'display_name': 'The crystallization index as a parameter of igneous differentiation in binary variation diagrams', 'publication_year': 1964, 'publication_date': '1964-03-01', 'ids': {'openalex': 'https://openalex.org/W4237514895', 'doi': 'https://doi.org/10.2475/ajs.262.3.281'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.2475/ajs.262.3.281', 'pdf_url': 'https://ajs.scholasticahq.com/article/59051.pdf', 'source': {'id': 'https://openalex.org/S143179485', 'display_name': 'American Journal of Science', 'issn_l': '0002-9599', 'issn': ['0002-9599', '1945-452X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315589', 'host_organization_name': 'Yale University', 'host_organization_lineage': ['https://openalex.org/P4310315589'], 'host_organization_lineage_names': ['Yale University'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://ajs.scholasticahq.com/article/59051.pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5083010631', 'display_name': 'A. Poldervaart', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'A. Poldervaart', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5017496065', 'display_name': 'A. B. Parker', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'A. B. Parker', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 1.787, 'has_fulltext': False, 'cited_by_count': 34, 'citation_normalized_percentile': {'value': 0.956153, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 93, 'max': 94}, 'biblio': {'volume': '262', 'issue': '3', 'first_page': '281', 'last_page': '289'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T13193', 'display_name': 'Geological Studies and Exploration', 'score': 0.9926, 'subfield': {'id': 'https://openalex.org/subfields/1907', 'display_name': 'Geology'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T13193', 'display_name': 'Geological Studies and Exploration', 'score': 0.9926, 'subfield': {'id': 'https://openalex.org/subfields/1907', 'display_name': 'Geology'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T13619', 'display_name': 'Geotechnical and Geomechanical Engineering', 'score': 0.9884, 'subfield': {'id': 'https://openalex.org/subfields/2211', 'display_name': 'Mechanics of Materials'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10399', 'display_name': 'Hydrocarbon exploration and reservoir analysis', 'score': 0.959, 'subfield': {'id': 'https://openalex.org/subfields/2211', 'display_name': 'Mechanics of Materials'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/variation', 'display_name': 'Variation (astronomy)', 'score': 0.6350613}], 'concepts': [{'id': 'https://openalex.org/C48372109', 'wikidata': 'https://www.wikidata.org/wiki/Q3913', 'display_name': 'Binary number', 'level': 2, 'score': 0.6842036}, {'id': 'https://openalex.org/C42787717', 'wikidata': 'https://www.wikidata.org/wiki/Q42045', 'display_name': 'Igneous rock', 'level': 2, 'score': 0.6707934}, {'id': 'https://openalex.org/C2778334786', 'wikidata': 'https://www.wikidata.org/wiki/Q1586270', 'display_name': 'Variation (astronomy)', 'level': 2, 'score': 0.6350613}, {'id': 'https://openalex.org/C2777382242', 'wikidata': 'https://www.wikidata.org/wiki/Q6017816', 'display_name': 'Index (typography)', 'level': 2, 'score': 0.60510993}, {'id': 'https://openalex.org/C203036418', 'wikidata': 'https://www.wikidata.org/wiki/Q284256', 'display_name': 'Crystallization', 'level': 2, 'score': 0.50286597}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.4470701}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.3230167}, {'id': 'https://openalex.org/C97355855', 'wikidata': 'https://www.wikidata.org/wiki/Q11473', 'display_name': 'Thermodynamics', 'level': 1, 'score': 0.26278624}, {'id': 'https://openalex.org/C17409809', 'wikidata': 'https://www.wikidata.org/wiki/Q161764', 'display_name': 'Geochemistry', 'level': 1, 'score': 0.24911135}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.20401677}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.15631634}, {'id': 'https://openalex.org/C44870925', 'wikidata': 'https://www.wikidata.org/wiki/Q37547', 'display_name': 'Astrophysics', 'level': 1, 'score': 0.12204382}, {'id': 'https://openalex.org/C136764020', 'wikidata': 'https://www.wikidata.org/wiki/Q466', 'display_name': 'World Wide Web', 'level': 1, 'score': 0.05506307}, {'id': 'https://openalex.org/C94375191', 'wikidata': 'https://www.wikidata.org/wiki/Q11205', 'display_name': 'Arithmetic', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.2475/ajs.262.3.281', 'pdf_url': 'https://ajs.scholasticahq.com/article/59051.pdf', 'source': {'id': 'https://openalex.org/S143179485', 'display_name': 'American Journal of Science', 'issn_l': '0002-9599', 'issn': ['0002-9599', '1945-452X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315589', 'host_organization_name': 'Yale University', 'host_organization_lineage': ['https://openalex.org/P4310315589'], 'host_organization_lineage_names': ['Yale University'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.2475/ajs.262.3.281', 'pdf_url': 'https://ajs.scholasticahq.com/article/59051.pdf', 'source': {'id': 'https://openalex.org/S143179485', 'display_name': 'American Journal of Science', 'issn_l': '0002-9599', 'issn': ['0002-9599', '1945-452X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315589', 'host_organization_name': 'Yale University', 'host_organization_lineage': ['https://openalex.org/P4310315589'], 'host_organization_lineage_names': ['Yale University'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'display_name': 'Climate action', 'id': 'https://metadata.un.org/sdg/13', 'score': 0.69}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W4361011192', 'https://openalex.org/W2605685540', 'https://openalex.org/W2373006857', 'https://openalex.org/W2267117676', 'https://openalex.org/W2064858649', 'https://openalex.org/W2028077028', 'https://openalex.org/W1995536610', 'https://openalex.org/W1976249739', 'https://openalex.org/W1971882785', 'https://openalex.org/W13656820'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W4237514895', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}], 'updated_date': '2024-12-13T15:58:35.509251', 'created_date': '2022-05-12'}